#include <fuse.h>
+#if (defined(__FreeBSD__) && __FreeBSD__ < 10) || defined(__NetBSD__)
+# define XATTR_CREATE 1
+# define XATTR_REPLACE 2
+#else
+# include <sys/xattr.h>
+#endif
+
+#if defined(__linux__)
+# define STAT_NSEC(st, st_xtim) ((st)->st_xtim.tv_nsec)
+#else
+# define STAT_NSEC(st, st_xtim) ((st)->st_xtim##espec.tv_nsec)
+#endif
+
+/* Implement a macro to handle multiple formats (integer, float, and array
+ * containing seconds and nanoseconds). */
+#define PULL_TIME(st, st_xtim, svp) \
+{ \
+ SV *sv = svp; \
+ if (SvROK(sv)) { \
+ AV *av = (AV *)SvRV(sv); \
+ if (SvTYPE((SV *)av) != SVt_PVAV) { \
+ Perl_croak_nocontext("Reference was not array ref"); \
+ } \
+ if (av_len(av) != 1) { \
+ Perl_croak_nocontext("Array of incorrect dimension"); \
+ } \
+ (st)->st_xtim##e = SvIV(*(av_fetch(av, 0, FALSE))); \
+ STAT_NSEC(st, st_xtim) = SvIV(*(av_fetch(av, 1, FALSE))); \
+ } \
+ else if (SvNOK(sv) || SvIOK(sv)) { \
+ double tm = SvNV(sv); \
+ (st)->st_xtim##e = (int)tm; \
+ STAT_NSEC(st, st_xtim) = (tm - (int)tm) * 1000000000; \
+ } \
+ else { \
+ Perl_croak_nocontext("Invalid data type passed"); \
+ } \
+}
+
/* Determine if threads support should be included */
#ifdef USE_ITHREADS
# ifdef I_PTHREAD
# define FUSE_USE_ITHREADS
+# if (PERL_VERSION < 8) || (PERL_VERSION == 8 && PERL_SUBVERSION < 9)
+# define tTHX PerlInterpreter*
+# define STR_WITH_LEN(s) ("" s ""), (sizeof(s)-1)
+# define hv_fetchs(hv,key,lval) Perl_hv_fetch(aTHX_ hv, STR_WITH_LEN(key), lval)
+# define dMY_CXT_INTERP(interp) \
+ SV *my_cxt_sv = *hv_fetchs(interp->Imodglobal, MY_CXT_KEY, TRUE); \
+ my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
+# endif
# else
-# error "Sorry, I don't know how to handle ithreads on this architecture."
+# warning "Sorry, I don't know how to handle ithreads on this architecture. Building non-threaded version"
# endif
#endif
/* Global Data */
#define MY_CXT_KEY "Fuse::_guts" XS_VERSION
-#define N_CALLBACKS 25
+#if FUSE_VERSION >= 28
+# define N_CALLBACKS 41
+#elif FUSE_VERSION >= 26
+# define N_CALLBACKS 38
+#elif FUSE_VERSION >= 25
+# define N_CALLBACKS 35
+#elif FUSE_VERSION >= 23
+# define N_CALLBACKS 31
+#else
+# define N_CALLBACKS 25
+#endif
typedef struct {
SV *callback[N_CALLBACKS];
+ HV *handles;
+#ifdef USE_ITHREADS
tTHX self;
+#endif
int threaded;
+#ifdef USE_ITHREADS
perl_mutex mutex;
+#endif
+ int utimens_as_array;
} my_cxt_t;
START_MY_CXT;
#ifdef FUSE_USE_ITHREADS
tTHX master_interp = NULL;
-# define FUSE_CONTEXT_PRE dTHX; if(!aTHX) { \
- dMY_CXT_INTERP(master_interp); \
- if(MY_CXT.threaded) { \
- MUTEX_LOCK(&MY_CXT.mutex); \
- PERL_SET_CONTEXT(master_interp); \
- my_perl = perl_clone(MY_CXT.self, CLONEf_CLONE_HOST); \
- MUTEX_UNLOCK(&MY_CXT.mutex); \
- } \
-} { dMY_CXT; dSP;
+
+#define CLONE_INTERP(parent) S_clone_interp(parent)
+tTHX S_clone_interp(tTHX parent) {
+# if (PERL_VERSION < 10)
+ tTHX my_perl = parent;
+#endif
+ dMY_CXT_INTERP(parent);
+ if(MY_CXT.threaded) {
+ MUTEX_LOCK(&MY_CXT.mutex);
+ PERL_SET_CONTEXT(parent);
+ dTHX;
+#if (PERL_VERSION > 10) || (PERL_VERSION == 10 && PERL_SUBVERSION >= 1)
+ tTHX child = perl_clone(parent, CLONEf_CLONE_HOST);
+#else
+ tTHX child = perl_clone(parent, CLONEf_CLONE_HOST | CLONEf_KEEP_PTR_TABLE);
+ ptr_table_free(PL_ptr_table);
+ PL_ptr_table = NULL;
+#endif
+ MUTEX_UNLOCK(&MY_CXT.mutex);
+ return child;
+ }
+ return NULL;
+}
+
+# define FUSE_CONTEXT_PRE dTHX; if(!aTHX) aTHX = CLONE_INTERP(master_interp); { dMY_CXT; dSP;
# define FUSE_CONTEXT_POST }
#else
-# define FUSE_CONTEXT_PRE dMY_CXT; dSP;
+# define FUSE_CONTEXT_PRE dTHX; dMY_CXT; dSP;
# define FUSE_CONTEXT_POST
#endif
#define DEBUGf(a...)
#endif
+#define FH_KEY(fi) sv_2mortal(newSViv((fi)->fh))
+#define FH_GETHANDLE(fi) S_fh_get_handle(aTHX_ aMY_CXT_ fi)
+#define FH_STOREHANDLE(fi,sv) S_fh_store_handle(aTHX_ aMY_CXT_ fi, sv)
+#define FH_RELEASEHANDLE(fi) S_fh_release_handle(aTHX_ aMY_CXT_ fi)
+
+SV *S_fh_get_handle(pTHX_ pMY_CXT_ struct fuse_file_info *fi) {
+ SV *val;
+ val = &PL_sv_undef;
+ if(fi->fh != 0) {
+ HE *he;
+ if((he = hv_fetch_ent(MY_CXT.handles, FH_KEY(fi), 0, 0))) {
+ val = HeVAL(he);
+ SvGETMAGIC(val);
+ }
+ }
+ return val;
+}
+
+void S_fh_release_handle(pTHX_ pMY_CXT_ struct fuse_file_info *fi) {
+ if(fi->fh != 0) {
+ (void)hv_delete_ent(MY_CXT.handles, FH_KEY(fi), G_DISCARD, 0);
+ fi->fh = 0;
+ }
+}
+
+void S_fh_store_handle(pTHX_ pMY_CXT_ struct fuse_file_info *fi, SV *sv) {
+ if(SvOK(sv)) {
+#ifdef FUSE_USE_ITHREADS
+ if(MY_CXT.threaded) {
+ SvSHARE(sv);
+ }
+#endif
+ /* This seems to be screwing things up... */
+ // MAGIC *mg = (SvTYPE(sv) == SVt_PVMG) ? mg_find(sv, PERL_MAGIC_shared_scalar) : NULL;
+ // fi->fh = mg ? PTR2IV(mg->mg_ptr) : PTR2IV(sv);
+ fi->fh = PTR2IV(sv);
+ if(hv_store_ent(MY_CXT.handles, FH_KEY(fi), SvREFCNT_inc(sv), 0) == NULL) {
+ SvREFCNT_dec(sv);
+ }
+ SvSETMAGIC(sv);
+ }
+}
+
int _PLfuse_getattr(const char *file, struct stat *result) {
int rv;
FUSE_CONTEXT_PRE;
} else {
result->st_blocks = POPi;
result->st_blksize = POPi;
- result->st_ctime = POPi;
- result->st_mtime = POPi;
- result->st_atime = POPi;
+ PULL_TIME(result, st_ctim, POPs);
+ PULL_TIME(result, st_mtim, POPs);
+ PULL_TIME(result, st_atim, POPs);
result->st_size = POPn; // we pop double here to support files larger than 4Gb (long limit)
result->st_rdev = POPi;
result->st_gid = POPi;
return rv;
}
-#if 0
-/*
- * This doesn't yet work... we alwas get ENOSYS when trying to use readdir().
- * Well, of course, getdir() is fine as well.
- */
- int _PLfuse_readdir(const char *file, void *dirh, fuse_fill_dir_t dirfil, off_t off, struct fuse_file_info *fi) {
-#endif
int _PLfuse_getdir(const char *file, fuse_dirh_t dirh, fuse_dirfil_t dirfil) {
int prv, rv;
+ SV **swp;
FUSE_CONTEXT_PRE;
DEBUGf("getdir begin\n");
ENTER;
prv = call_sv(MY_CXT.callback[2],G_ARRAY);
SPAGAIN;
if(prv) {
+ /* Should yield the bottom of the current stack... */
+ swp = &TOPs - prv + 1;
rv = POPi;
- while(--prv)
- dirfil(dirh,POPp,0,0);
+ /* Sort of a hack to walk the stack in order, instead of reverse
+ * order - trying to explain to potential users why they need to
+ * reverse the order of this array would be confusing, at best. */
+ while (swp <= &TOPs)
+ dirfil(dirh,SvPVx_nolen(*(swp++)),0,0);
} else {
fprintf(stderr,"getdir() handler returned nothing!\n");
rv = -ENOSYS;
PUTBACK;
rv = call_sv(MY_CXT.callback[3],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
PUTBACK;
rv = call_sv(MY_CXT.callback[4],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
PUTBACK;
rv = call_sv(MY_CXT.callback[5],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
PUTBACK;
rv = call_sv(MY_CXT.callback[6],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
PUTBACK;
rv = call_sv(MY_CXT.callback[7],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
PUTBACK;
rv = call_sv(MY_CXT.callback[8],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
PUTBACK;
rv = call_sv(MY_CXT.callback[9],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
PUTBACK;
rv = call_sv(MY_CXT.callback[10],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
PUTBACK;
rv = call_sv(MY_CXT.callback[11],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
#ifdef PERL_HAS_64BITINT
XPUSHs(sv_2mortal(newSViv(off)));
#else
- asprintf(&temp, "%llu", off);
+ if (asprintf(&temp, "%llu", off) == -1)
+ croak("Memory allocation failure!");
XPUSHs(sv_2mortal(newSVpv(temp, 0)));
free(temp);
#endif
PUTBACK;
rv = call_sv(MY_CXT.callback[12],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
PUTBACK;
rv = call_sv(MY_CXT.callback[13],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
fi->fh = 0; /* Ensure it starts with 0 - important if they don't set it */
fihash = newHV();
#if FUSE_VERSION >= 24
- hv_store(fihash, "direct_io", 9, newSViv(fi->direct_io), 0);
- hv_store(fihash, "keep_cache", 10, newSViv(fi->keep_cache), 0);
+ (void) hv_store(fihash, "direct_io", 9, newSViv(fi->direct_io), 0);
+ (void) hv_store(fihash, "keep_cache", 10, newSViv(fi->keep_cache), 0);
#endif
-#if FUSE_VERSION >= 29
- hv_store(fihash, "nonseekable", 11, newSViv(fi->nonseekable), 0);
+#if FUSE_VERSION >= 28
+ (void) hv_store(fihash, "nonseekable", 11, newSViv(fi->nonseekable), 0);
#endif
XPUSHs(sv_2mortal(newRV_noinc((SV*) fihash)));
/* All hashref things done */
/* Open called with filename, flags */
rv = call_sv(MY_CXT.callback[14],G_ARRAY);
SPAGAIN;
- if(rv)
- {
- SV *sv;
- if (rv > 1)
- {
- sv = POPs;
- if (SvOK(sv))
- {
- /* We're holding on to the sv reference until
- * after exit of this function, so we need to
- * increment its reference count
- */
- fi->fh = SvREFCNT_inc(sv);
- }
+ if(rv) {
+ if(rv > 1) {
+ FH_STOREHANDLE(fi,POPs);
}
rv = POPi;
}
/* Success, so copy the file handle which they returned */
#if FUSE_VERSION >= 24
SV **svp;
- svp = hv_fetch(fihash, "direct_io", 9, 0);
- if (svp != NULL)
- {
- fi->direct_io = SvIV(*svp);
- }
- svp = hv_fetch(fihash, "keep_cache", 10, 0);
- if (svp != NULL)
- {
- fi->keep_cache = SvIV(*svp);
- }
+ if ((svp = hv_fetch(fihash, "direct_io", 9, 0)) != NULL)
+ fi->direct_io = SvIV(*svp);
+ if ((svp = hv_fetch(fihash, "keep_cache", 10, 0)) != NULL)
+ fi->keep_cache = SvIV(*svp);
#endif
-#if FUSE_VERSION >= 29
- svp = hv_fetch(fihash, "nonseekable", 11, 0);
- if (svp != NULL)
- {
- fi->nonseekable = SvIV(*svp);
- }
+#if FUSE_VERSION >= 28
+ if ((svp = hv_fetch(fihash, "nonseekable", 11, 0)) != NULL)
+ fi->nonseekable = SvIV(*svp);
#endif
}
FREETMPS;
return rv;
}
-int _PLfuse_read (const char *file, char *buf, size_t buflen, off_t off, struct fuse_file_info *fi) {
+int _PLfuse_read (const char *file, char *buf, size_t buflen, off_t off,
+ struct fuse_file_info *fi) {
int rv;
#ifndef PERL_HAS_64BITINT
char *temp;
ENTER;
SAVETMPS;
PUSHMARK(SP);
- XPUSHs(sv_2mortal(newSVpv(file,0)));
+ XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
XPUSHs(sv_2mortal(newSViv(buflen)));
#ifdef PERL_HAS_64BITINT
XPUSHs(sv_2mortal(newSViv(off)));
#else
- asprintf(&temp, "%llu", off);
+ if (asprintf(&temp, "%llu", off) == -1)
+ croak("Memory allocation failure!");
XPUSHs(sv_2mortal(newSVpv(temp, 0)));
free(temp);
#endif
- XPUSHs(fi->fh==0 ? &PL_sv_undef : (SV *)fi->fh);
+ XPUSHs(FH_GETHANDLE(fi));
PUTBACK;
rv = call_sv(MY_CXT.callback[15],G_SCALAR);
SPAGAIN;
ENTER;
SAVETMPS;
PUSHMARK(SP);
- XPUSHs(sv_2mortal(newSVpv(file,0)));
+ XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
XPUSHs(sv_2mortal(newSVpvn(buf,buflen)));
#ifdef PERL_HAS_64BITINT
XPUSHs(sv_2mortal(newSViv(off)));
#else
- asprintf(&temp, "%llu", off);
+ if (asprintf(&temp, "%llu", off) == -1)
+ croak("Memory allocation failure!");
XPUSHs(sv_2mortal(newSVpv(temp, 0)));
free(temp);
#endif
- XPUSHs(fi->fh==0 ? &PL_sv_undef : (SV *)fi->fh);
+ XPUSHs(FH_GETHANDLE(fi));
PUTBACK;
rv = call_sv(MY_CXT.callback[16],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
ENTER;
SAVETMPS;
PUSHMARK(SP);
- XPUSHs(sv_2mortal(newSVpv(file,0)));
- XPUSHs(fi->fh==0 ? &PL_sv_undef : (SV *)fi->fh);
+ XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
+ XPUSHs(FH_GETHANDLE(fi));
PUTBACK;
rv = call_sv(MY_CXT.callback[18],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
ENTER;
SAVETMPS;
PUSHMARK(SP);
- XPUSHs(sv_2mortal(newSVpv(file,0)));
+ XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
XPUSHs(sv_2mortal(newSViv(flags)));
- XPUSHs(fi->fh==0 ? &PL_sv_undef : (SV *)fi->fh);
+ XPUSHs(FH_GETHANDLE(fi));
PUTBACK;
rv = call_sv(MY_CXT.callback[19],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
- /* We're now finished with the handle that we were given, so
- * we should decrement its count so that it can be freed.
- */
- if (fi->fh != 0)
- {
- SvREFCNT_dec((SV *)fi->fh);
- fi->fh = 0;
- }
+ rv = (rv ? POPi : 0);
+ FH_RELEASEHANDLE(fi);
FREETMPS;
LEAVE;
PUTBACK;
ENTER;
SAVETMPS;
PUSHMARK(SP);
- XPUSHs(sv_2mortal(newSVpv(file,0)));
+ XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
XPUSHs(sv_2mortal(newSViv(flags)));
- XPUSHs(fi->fh==0 ? &PL_sv_undef : (SV *)fi->fh);
+ XPUSHs(FH_GETHANDLE(fi));
PUTBACK;
rv = call_sv(MY_CXT.callback[20],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
return rv;
}
+#if __FreeBSD__ >= 10
+int _PLfuse_setxattr (const char *file, const char *name, const char *buf, size_t buflen, int flags, uint32_t position) {
+#else
int _PLfuse_setxattr (const char *file, const char *name, const char *buf, size_t buflen, int flags) {
+#endif
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("setxattr begin\n");
PUTBACK;
rv = call_sv(MY_CXT.callback[21],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
return rv;
}
+#if __FreeBSD__ >= 10
+int _PLfuse_getxattr (const char *file, const char *name, char *buf, size_t buflen, uint32_t position) {
+#else
int _PLfuse_getxattr (const char *file, const char *name, char *buf, size_t buflen) {
+#endif
int rv;
FUSE_CONTEXT_PRE;
DEBUGf("getxattr begin\n");
PUTBACK;
rv = call_sv(MY_CXT.callback[24],G_SCALAR);
SPAGAIN;
- if(rv)
- rv = POPi;
- else
- rv = 0;
+ rv = (rv ? POPi : 0);
FREETMPS;
LEAVE;
PUTBACK;
return rv;
}
-struct fuse_operations _available_ops = {
-getattr: _PLfuse_getattr,
-readlink: _PLfuse_readlink,
-getdir: _PLfuse_getdir,
-#if 0
-readdir: _PLfuse_readdir,
-#endif
-mknod: _PLfuse_mknod,
-mkdir: _PLfuse_mkdir,
-unlink: _PLfuse_unlink,
-rmdir: _PLfuse_rmdir,
-symlink: _PLfuse_symlink,
-rename: _PLfuse_rename,
-link: _PLfuse_link,
-chmod: _PLfuse_chmod,
-chown: _PLfuse_chown,
-truncate: _PLfuse_truncate,
-utime: _PLfuse_utime,
-open: _PLfuse_open,
-read: _PLfuse_read,
-write: _PLfuse_write,
-statfs: _PLfuse_statfs,
-flush: _PLfuse_flush,
-release: _PLfuse_release,
-fsync: _PLfuse_fsync,
-setxattr: _PLfuse_setxattr,
-getxattr: _PLfuse_getxattr,
-listxattr: _PLfuse_listxattr,
-removexattr: _PLfuse_removexattr,
-};
-
-MODULE = Fuse PACKAGE = Fuse
-PROTOTYPES: DISABLE
+#if FUSE_VERSION >= 23
+int _PLfuse_opendir(const char *file, struct fuse_file_info *fi) {
+ int rv;
+ FUSE_CONTEXT_PRE;
+ DEBUGf("opendir begin\n");
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ XPUSHs(sv_2mortal(newSVpv(file,0)));
+ fi->fh = 0; /* Ensure it starts with 0 - important if they don't set it */
+ PUTBACK;
+ rv = call_sv(MY_CXT.callback[25], G_ARRAY);
+ SPAGAIN;
+ if (rv) {
+ if (rv > 1) {
+ FH_STOREHANDLE(fi, POPs);
+ }
+ rv = POPi;
+ } else
+ rv = 0;
+ FREETMPS;
+ LEAVE;
+ PUTBACK;
+ DEBUGf("opendir end: %i\n",rv);
+ FUSE_CONTEXT_POST;
+ return rv;
-BOOT:
- MY_CXT_INIT;
- MY_CXT.self = aTHX;
+}
-void
-CLONE(...)
- PREINIT:
- int i;
- dTHX;
- CODE:
- MY_CXT_CLONE;
- tTHX parent = MY_CXT.self;
- MY_CXT.self = my_perl;
-#if (PERL_VERSION < 13) || (PERL_VERSION == 13 && PERL_SUBVERSION <= 1)
- CLONE_PARAMS clone_param;
- clone_param.flags = 0;
- for(i=0;i<N_CALLBACKS;i++) {
- if(MY_CXT.callback[i]) {
- MY_CXT.callback[i] = sv_dup(MY_CXT.callback[i], &clone_param);
- }
- }
+int _PLfuse_readdir(const char *file, void *dirh, fuse_fill_dir_t dirfil,
+ off_t off, struct fuse_file_info *fi) {
+ int prv = 0, rv;
+ SV *sv, **svp, **swp;
+ AV *av, *av2;
+ struct stat st;
+ bool st_filled = 0;
+#ifndef PERL_HAS_64BITINT
+ char *temp;
+#endif
+ FUSE_CONTEXT_PRE;
+ DEBUGf("readdir begin\n");
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
+#ifdef PERL_HAS_64BITINT
+ XPUSHs(sv_2mortal(newSViv(off)));
#else
- CLONE_PARAMS *clone_param = clone_params_new(parent, aTHX);
- for(i=0;i<N_CALLBACKS;i++) {
- if(MY_CXT.callback[i]) {
- MY_CXT.callback[i] = sv_dup(MY_CXT.callback[i], clone_param);
+ if (asprintf(&temp, "%llu", off) == -1)
+ croak("Memory allocation failure!");
+ XPUSHs(sv_2mortal(newSVpv(temp, 0)));
+ free(temp);
+#endif
+ XPUSHs(FH_GETHANDLE(fi));
+ PUTBACK;
+ prv = call_sv(MY_CXT.callback[26],G_ARRAY);
+ SPAGAIN;
+ if (prv) {
+ /* Should yield the bottom of the current stack... */
+ swp = &TOPs - prv + 1;
+ rv = POPi;
+ memset(&st, 0, sizeof(struct stat));
+ /* Sort of a hack to walk the stack in order, instead of reverse
+ * order - trying to explain to potential users why they need to
+ * reverse the order of this array would be confusing, at best. */
+ while (swp <= &TOPs) {
+ sv = *(swp++);
+ if (!SvROK(sv) && SvPOK(sv))
+ /* Just a bare SV (probably a string; hopefully a string) */
+ dirfil(dirh, SvPVx_nolen(sv), NULL, 0);
+ else if (SvROK(sv) && SvTYPE(av = (AV *)SvRV(sv)) == SVt_PVAV) {
+ if (av_len(av) >= 2) {
+ /* The third element of the array should be the args that
+ * would otherwise go to getattr(); a lot of filesystems
+ * will, or at least can, return that info as part of the
+ * enumeration process... */
+ svp = av_fetch(av, 2, FALSE);
+ if (SvROK(*svp) &&
+ SvTYPE(av2 = (AV *)SvRV(*svp)) == SVt_PVAV &&
+ av_len(av2) == 12) {
+ st.st_dev = SvIV(*(av_fetch(av2, 0, FALSE)));
+ st.st_ino = SvIV(*(av_fetch(av2, 1, FALSE)));
+ st.st_mode = SvIV(*(av_fetch(av2, 2, FALSE)));
+ st.st_nlink = SvIV(*(av_fetch(av2, 3, FALSE)));
+ st.st_uid = SvIV(*(av_fetch(av2, 4, FALSE)));
+ st.st_gid = SvIV(*(av_fetch(av2, 5, FALSE)));
+ st.st_rdev = SvIV(*(av_fetch(av2, 6, FALSE)));
+ st.st_size = SvNV(*(av_fetch(av2, 7, FALSE)));
+ PULL_TIME(&st, st_atim, *(av_fetch(av2, 8, FALSE)));
+ PULL_TIME(&st, st_mtim, *(av_fetch(av2, 9, FALSE)));
+ PULL_TIME(&st, st_ctim, *(av_fetch(av2, 10, FALSE)));
+ st.st_blksize = SvIV(*(av_fetch(av2, 11, FALSE)));
+ st.st_blocks = SvIV(*(av_fetch(av2, 12, FALSE)));
+ st_filled = 1;
+ }
+ else
+ fprintf(stderr,"Extra SV didn't appear to be correct, ignoring\n");
+ /* For now if the element isn't what we want, just
+ * quietly ignore it... */
+ }
+ if (av_len(av) >= 1) {
+ char *entryname = SvPVx_nolen(*(av_fetch(av, 1, FALSE)));
+ off_t elemnum = SvNV(*(av_fetch(av, 0, FALSE)));
+ dirfil(dirh, entryname, st_filled ? &st : NULL, elemnum);
+ }
+ if (st_filled) {
+ memset(&st, 0, sizeof(struct stat));
+ st_filled = 0;
+ }
}
+ else
+ fprintf(stderr, "ERROR: Unknown entry passed via readdir\n");
}
- clone_params_del(clone_param);
-#endif
-
-SV*
-fuse_get_context()
- PREINIT:
- struct fuse_context *fc;
- CODE:
- fc = fuse_get_context();
- if(fc) {
- HV *hash = newHV();
- hv_store(hash, "uid", 3, newSViv(fc->uid), 0);
- hv_store(hash, "gid", 3, newSViv(fc->gid), 0);
- hv_store(hash, "pid", 3, newSViv(fc->pid), 0);
- RETVAL = newRV_noinc((SV*)hash);
} else {
- XSRETURN_UNDEF;
+ fprintf(stderr,"readdir() handler returned nothing!\n");
+ rv = -ENOSYS;
}
- OUTPUT:
- RETVAL
+ FREETMPS;
+ LEAVE;
+ PUTBACK;
+ DEBUGf("readdir end: %i\n",rv);
+ FUSE_CONTEXT_POST;
+ return rv;
+}
-void
-perl_fuse_main(...)
- PREINIT:
- struct fuse_operations fops =
- {NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
- NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL};
- int i, debug;
- char *mountpoint;
- char *mountopts;
- struct fuse_args margs = FUSE_ARGS_INIT(0, NULL);
- struct fuse_args fargs = FUSE_ARGS_INIT(0, NULL);
- struct fuse_chan *fc;
- dMY_CXT;
- INIT:
- if(items != 29) {
- fprintf(stderr,"Perl<->C inconsistency or internal error\n");
- XSRETURN_UNDEF;
- }
- CODE:
- debug = SvIV(ST(0));
- MY_CXT.threaded = SvIV(ST(1));
+int _PLfuse_releasedir(const char *file, struct fuse_file_info *fi) {
+ int rv;
+ FUSE_CONTEXT_PRE;
+ DEBUGf("releasedir begin\n");
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
+ XPUSHs(FH_GETHANDLE(fi));
+ PUTBACK;
+ rv = call_sv(MY_CXT.callback[27], G_SCALAR);
+ SPAGAIN;
+ rv = (rv ? POPi : 0);
+ FH_RELEASEHANDLE(fi);
+ FREETMPS;
+ LEAVE;
+ PUTBACK;
+ DEBUGf("releasedir end: %i\n",rv);
+ FUSE_CONTEXT_POST;
+ return rv;
+}
+
+int _PLfuse_fsyncdir(const char *file, int datasync,
+ struct fuse_file_info *fi) {
+ int rv;
+ FUSE_CONTEXT_PRE;
+ DEBUGf("fsyncdir begin\n");
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
+ XPUSHs(sv_2mortal(newSViv(datasync)));
+ XPUSHs(FH_GETHANDLE(fi));
+ PUTBACK;
+ rv = call_sv(MY_CXT.callback[28], G_SCALAR);
+ SPAGAIN;
+ rv = (rv ? POPi : 0);
+ FREETMPS;
+ LEAVE;
+ PUTBACK;
+ DEBUGf("fsyncdir end: %i\n",rv);
+ FUSE_CONTEXT_POST;
+ return rv;
+}
+
+#if FUSE_VERSION >= 26
+void *_PLfuse_init(struct fuse_conn_info *fc)
+#else /* FUSE_VERSION < 26 */
+void *_PLfuse_init(void)
+#endif /* FUSE_VERSION >= 26 */
+{
+ void *rv = NULL;
+ int prv;
+ FUSE_CONTEXT_PRE;
+ DEBUGf("init begin\n");
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ PUTBACK;
+ prv = call_sv(MY_CXT.callback[29], G_SCALAR);
+ SPAGAIN;
+ if (prv) {
+ rv = POPs;
+ if (rv == &PL_sv_undef)
+ rv = NULL;
+ else
+ rv = SvREFCNT_inc((SV *)rv);
+ }
+ FREETMPS;
+ LEAVE;
+ PUTBACK;
+ DEBUGf("init end: %p\n", rv);
+ FUSE_CONTEXT_POST;
+ return rv;
+}
+
+void _PLfuse_destroy(void *private_data) {
+ FUSE_CONTEXT_PRE;
+ DEBUGf("destroy begin\n");
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ XPUSHs(private_data ? (SV *)private_data : &PL_sv_undef);
+ PUTBACK;
+ call_sv(MY_CXT.callback[30], G_VOID);
+ SPAGAIN;
+ if (private_data)
+ SvREFCNT_dec((SV *)private_data);
+ FREETMPS;
+ LEAVE;
+ PUTBACK;
+ DEBUGf("init end\n");
+ FUSE_CONTEXT_POST;
+}
+#endif /* FUSE_VERSION >= 23 */
+
+#if FUSE_VERSION >= 25
+int _PLfuse_access(const char *file, int mask) {
+ int rv;
+ FUSE_CONTEXT_PRE;
+ DEBUGf("access begin\n");
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ XPUSHs(sv_2mortal(newSVpv(file,0)));
+ XPUSHs(sv_2mortal(newSViv(mask)));
+ PUTBACK;
+ rv = call_sv(MY_CXT.callback[31], G_SCALAR);
+ SPAGAIN;
+ rv = (rv ? POPi : 0);
+ FREETMPS;
+ LEAVE;
+ PUTBACK;
+ DEBUGf("access end: %d\n", rv);
+ FUSE_CONTEXT_POST;
+ return rv;
+}
+
+int _PLfuse_create(const char *file, mode_t mode, struct fuse_file_info *fi) {
+ int rv;
+ HV *fihash;
+ FUSE_CONTEXT_PRE;
+ DEBUGf("create begin\n");
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ XPUSHs(sv_2mortal(newSVpv(file,0)));
+ XPUSHs(sv_2mortal(newSViv(mode)));
+ XPUSHs(sv_2mortal(newSViv(fi->flags)));
+ fi->fh = 0; /* Ensure it starts with 0 - important if they don't set it */
+ /* Create a hashref containing the details from fi
+ * which we can look at or modify.
+ */
+ fihash = newHV();
+ (void) hv_store(fihash, "direct_io", 9, newSViv(fi->direct_io), 0);
+ (void) hv_store(fihash, "keep_cache", 10, newSViv(fi->keep_cache), 0);
+#if FUSE_VERSION >= 28
+ (void) hv_store(fihash, "nonseekable", 11, newSViv(fi->nonseekable), 0);
+#endif
+ XPUSHs(sv_2mortal(newRV_noinc((SV*) fihash)));
+ /* All hashref things done */
+
+ PUTBACK;
+ rv = call_sv(MY_CXT.callback[32], G_ARRAY);
+ SPAGAIN;
+ if (rv) {
+ if (rv > 1) {
+ FH_STOREHANDLE(fi,POPs);
+ }
+ rv = POPi;
+ }
+ else {
+ fprintf(stderr, "create() handler returned nothing!\n");
+ rv = -ENOSYS;
+ }
+ if (rv == 0) {
+ /* Success, so copy the file handle which they returned */
+ SV **svp;
+ if ((svp = hv_fetch(fihash, "direct_io", 9, 0)) != NULL)
+ fi->direct_io = SvIV(*svp);
+ if ((svp = hv_fetch(fihash, "keep_cache", 10, 0)) != NULL)
+ fi->keep_cache = SvIV(*svp);
+#if FUSE_VERSION >= 28
+ if ((svp = hv_fetch(fihash, "nonseekable", 11, 0)) != NULL)
+ fi->nonseekable = SvIV(*svp);
+#endif
+ }
+ FREETMPS;
+ LEAVE;
+ PUTBACK;
+ DEBUGf("create end: %d\n",rv);
+ FUSE_CONTEXT_POST;
+ return rv;
+}
+
+int _PLfuse_ftruncate(const char *file, off_t off, struct fuse_file_info *fi) {
+ int rv;
+#ifndef PERL_HAS_64BITINT
+ char *temp;
+#endif
+ FUSE_CONTEXT_PRE;
+ DEBUGf("ftruncate begin\n");
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
+#ifdef PERL_HAS_64BITINT
+ XPUSHs(sv_2mortal(newSViv(off)));
+#else
+ if (asprintf(&temp, "%llu", off) == -1)
+ croak("Memory allocation failure!");
+ XPUSHs(sv_2mortal(newSVpv(temp, 0)));
+ free(temp);
+#endif
+ XPUSHs(FH_GETHANDLE(fi));
+ PUTBACK;
+ rv = call_sv(MY_CXT.callback[33],G_SCALAR);
+ SPAGAIN;
+ rv = (rv ? POPi : 0);
+ FREETMPS;
+ LEAVE;
+ PUTBACK;
+ DEBUGf("ftruncate end: %i\n",rv);
+ FUSE_CONTEXT_POST;
+ return rv;
+}
+
+int _PLfuse_fgetattr(const char *file, struct stat *result,
+ struct fuse_file_info *fi) {
+ int rv;
+ FUSE_CONTEXT_PRE;
+ DEBUGf("fgetattr begin: %s\n",file);
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
+ XPUSHs(FH_GETHANDLE(fi));
+ PUTBACK;
+ rv = call_sv(MY_CXT.callback[34],G_ARRAY);
+ SPAGAIN;
+ if(rv != 13) {
+ if(rv > 1) {
+ fprintf(stderr,"inappropriate number of returned values from getattr\n");
+ rv = -ENOSYS;
+ } else if(rv)
+ rv = POPi;
+ else
+ rv = -ENOENT;
+ } else {
+ result->st_blocks = POPi;
+ result->st_blksize = POPi;
+ PULL_TIME(result, st_ctim, POPs);
+ PULL_TIME(result, st_mtim, POPs);
+ PULL_TIME(result, st_atim, POPs);
+ result->st_size = POPn; // we pop double here to support files larger than 4Gb (long limit)
+ result->st_rdev = POPi;
+ result->st_gid = POPi;
+ result->st_uid = POPi;
+ result->st_nlink = POPi;
+ result->st_mode = POPi;
+ result->st_ino = POPi;
+ result->st_dev = POPi;
+ rv = 0;
+ }
+ FREETMPS;
+ LEAVE;
+ PUTBACK;
+ DEBUGf("fgetattr end: %i\n",rv);
+ FUSE_CONTEXT_POST;
+ return rv;
+}
+#endif /* FUSE_VERSION >= 25 */
+
+#if FUSE_VERSION >= 26
+int _PLfuse_lock(const char *file, struct fuse_file_info *fi, int cmd,
+ struct flock *lockinfo) {
+ int rv;
+ HV *lihash;
+ SV *sv;
+#ifndef PERL_HAS_64BITINT
+ char *temp;
+#endif
+ FUSE_CONTEXT_PRE;
+ DEBUGf("lock begin\n");
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ XPUSHs(file ? sv_2mortal(newSVpv(file,0)) : &PL_sv_undef);
+ XPUSHs(sv_2mortal(newSViv(cmd)));
+ lihash = newHV();
+ if (lockinfo) {
+ (void) hv_store(lihash, "l_type", 6, newSViv(lockinfo->l_type), 0);
+ (void) hv_store(lihash, "l_whence", 8, newSViv(lockinfo->l_whence), 0);
+#ifdef PERL_HAS_64BITINT
+ sv = newSViv(lockinfo->l_start);
+#else
+ if (asprintf(&temp, "%llu", lockinfo->l_start) == -1)
+ croak("Memory allocation failure!");
+ sv = newSVpv(temp, 0);
+ free(temp);
+#endif
+ (void) hv_store(lihash, "l_start", 7, sv, 0);
+#ifdef PERL_HAS_64BITINT
+ sv = newSViv(lockinfo->l_len);
+#else
+ if (asprintf(&temp, "%llu", lockinfo->l_len) == -1)
+ croak("Memory allocation failure!");
+ sv = newSVpv(temp, 0);
+ free(temp);
+#endif
+ (void) hv_store(lihash, "l_len", 5, sv, 0);
+ (void) hv_store(lihash, "l_pid", 5, newSViv(lockinfo->l_pid), 0);
+ }
+ XPUSHs(sv_2mortal(newRV_noinc((SV*) lihash)));
+ XPUSHs(FH_GETHANDLE(fi));
+
+ PUTBACK;
+ rv = call_sv(MY_CXT.callback[35],G_SCALAR);
+ SPAGAIN;
+ rv = (rv ? POPi : 0);
+ if (lockinfo && !rv) {
+ /* Need to copy back any altered values from the hash into
+ * the struct... */
+ SV **svp;
+ if ((svp = hv_fetch(lihash, "l_type", 6, 0)) != NULL)
+ lockinfo->l_type = SvIV(*svp);
+ if ((svp = hv_fetch(lihash, "l_whence", 8, 0)) != NULL)
+ lockinfo->l_whence = SvIV(*svp);
+ if ((svp = hv_fetch(lihash, "l_start", 7, 0)) != NULL)
+ lockinfo->l_start = SvNV(*svp);
+ if ((svp = hv_fetch(lihash, "l_len", 5, 0)) != NULL)
+ lockinfo->l_len = SvNV(*svp);
+ if ((svp = hv_fetch(lihash, "l_pid", 5, 0)) != NULL)
+ lockinfo->l_pid = SvIV(*svp);
+ }
+ FREETMPS;
+ LEAVE;
+ PUTBACK;
+ DEBUGf("lock end: %i\n",rv);
+ FUSE_CONTEXT_POST;
+ return rv;
+}
+
+int _PLfuse_utimens(const char *file, const struct timespec tv[2]) {
+ int rv;
+ FUSE_CONTEXT_PRE;
+ DEBUGf("utimens begin\n");
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ XPUSHs(sv_2mortal(newSVpv(file,0)));
+ if (MY_CXT.utimens_as_array) {
+ /* Pushing timespecs as 2-element arrays (if tv is present). */
+ AV *av;
+ if (tv) {
+ av = newAV();
+ av_push(av, newSViv(tv[0].tv_sec));
+ av_push(av, newSViv(tv[0].tv_nsec));
+ XPUSHs(sv_2mortal(newRV_noinc((SV *)av)));
+ av = newAV();
+ av_push(av, newSViv(tv[1].tv_sec));
+ av_push(av, newSViv(tv[1].tv_nsec));
+ XPUSHs(sv_2mortal(newRV_noinc((SV *)av)));
+ }
+ else {
+ XPUSHs(&PL_sv_undef);
+ XPUSHs(&PL_sv_undef);
+ }
+
+ }
+ else {
+ /* Pushing timespecs as floating point (double) values. */
+ XPUSHs(tv ? sv_2mortal(newSVnv(tv[0].tv_sec + (tv[0].tv_nsec / 1000000000.0))) : &PL_sv_undef);
+ XPUSHs(tv ? sv_2mortal(newSVnv(tv[1].tv_sec + (tv[1].tv_nsec / 1000000000.0))) : &PL_sv_undef);
+ }
+ PUTBACK;
+ rv = call_sv(MY_CXT.callback[36],G_SCALAR);
+ SPAGAIN;
+ rv = (rv ? POPi : 0);
+ FREETMPS;
+ LEAVE;
+ PUTBACK;
+ DEBUGf("utimens end: %i\n",rv);
+ FUSE_CONTEXT_POST;
+ return rv;
+}
+
+int _PLfuse_bmap(const char *file, size_t blocksize, uint64_t *idx) {
+ int rv;
+#ifndef PERL_HAS_64BITINT
+ char *temp;
+#endif
+ FUSE_CONTEXT_PRE;
+ DEBUGf("bmap begin\n");
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ XPUSHs(sv_2mortal(newSVpv(file,0)));
+ XPUSHs(sv_2mortal(newSViv(blocksize)));
+#ifdef PERL_HAS_64BITINT
+ XPUSHs(sv_2mortal(newSViv(*idx)));
+#else
+ if (asprintf(&temp, "%llu", *idx) == -1)
+ croak("Memory allocation failure!");
+ XPUSHs(sv_2mortal(newSVpv(temp, 0)));
+ free(temp);
+#endif
+ PUTBACK;
+ rv = call_sv(MY_CXT.callback[37],G_ARRAY);
+ SPAGAIN;
+ if (rv > 0 && rv < 3) {
+ if (rv == 2)
+ *idx = POPn;
+ rv = POPi;
+ }
+ else {
+ fprintf(stderr, "bmap(): wrong number of values returned?\n");
+ rv = -ENOSYS;
+ }
+ FREETMPS;
+ LEAVE;
+ PUTBACK;
+ DEBUGf("bmap end: %i\n",rv);
+ FUSE_CONTEXT_POST;
+ return rv;
+}
+#endif /* FUSE_VERSION >= 26 */
+
+#if FUSE_VERSION >= 28
+int _PLfuse_ioctl(const char *file, int cmd, void *arg,
+ struct fuse_file_info *fi, unsigned int flags, void *data) {
+ int rv;
+ SV *sv = NULL;
+ FUSE_CONTEXT_PRE;
+ DEBUGf("ioctl begin\n");
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ XPUSHs(sv_2mortal(newSVpv(file,0)));
+ /* I don't know why cmd is a signed int in the first place;
+ * casting as unsigned so stupid tricks don't have to be done on
+ * the perl side */
+ XPUSHs(sv_2mortal(newSVuv((unsigned int)cmd)));
+ XPUSHs(sv_2mortal(newSViv(flags)));
+ if (_IOC_DIR(cmd) & _IOC_WRITE)
+ XPUSHs(sv_2mortal(newSVpvn(data, _IOC_SIZE(cmd))));
+ else
+ XPUSHs(&PL_sv_undef);
+ XPUSHs(FH_GETHANDLE(fi));
+ PUTBACK;
+ rv = call_sv(MY_CXT.callback[39],G_ARRAY);
+ SPAGAIN;
+ if ((_IOC_DIR(cmd) & _IOC_READ) && (rv == 2)) {
+ sv = POPs;
+ rv--;
+ }
+
+ if (rv > 0)
+ rv = POPi;
+
+ if ((_IOC_DIR(cmd) & _IOC_READ) && !rv) {
+ if (sv) {
+ size_t len;
+ char *rdata = SvPV(sv, len);
+
+ if (len > _IOC_SIZE(cmd)) {
+ fprintf(stderr, "ioctl(): returned data was too large for data area\n");
+ rv = -EFBIG;
+ }
+ else {
+ memset(data, 0, _IOC_SIZE(cmd));
+ memcpy(data, rdata, len);
+ }
+ }
+ else {
+ fprintf(stderr, "ioctl(): ioctl was a read op, but no data was returned from call?\n");
+ rv = -EFAULT;
+ }
+ }
+ FREETMPS;
+ LEAVE;
+ PUTBACK;
+ DEBUGf("ioctl end: %i\n",rv);
+ FUSE_CONTEXT_POST;
+ return rv;
+}
+
+int _PLfuse_poll(const char *file, struct fuse_file_info *fi,
+ struct fuse_pollhandle *ph, unsigned *reventsp) {
+ int rv;
+ SV *sv = NULL;
+ FUSE_CONTEXT_PRE;
+ DEBUGf("poll begin\n");
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ XPUSHs(sv_2mortal(newSVpv(file,0)));
+ if (ph) {
+ /* Still gotta figure out how to do this right... */
+ sv = newSViv(PTR2IV(ph));
+ SvREADONLY_on(sv);
+ SvSHARE(sv);
+ XPUSHs(sv);
+ }
+ else
+ XPUSHs(&PL_sv_undef);
+ XPUSHs(sv_2mortal(newSViv(*reventsp)));
+ XPUSHs(FH_GETHANDLE(fi));
+ PUTBACK;
+ rv = call_sv(MY_CXT.callback[40],G_ARRAY);
+ SPAGAIN;
+ if (rv > 1) {
+ *reventsp = POPi;
+ rv--;
+ }
+ rv = (rv ? POPi : 0);
+ FREETMPS;
+ LEAVE;
+ PUTBACK;
+ DEBUGf("poll end: %i\n", rv);
+ FUSE_CONTEXT_POST;
+ return rv;
+}
+#endif /* FUSE_VERSION >= 28 */
+
+struct fuse_operations _available_ops = {
+getattr: _PLfuse_getattr,
+readlink: _PLfuse_readlink,
+getdir: _PLfuse_getdir,
+mknod: _PLfuse_mknod,
+mkdir: _PLfuse_mkdir,
+unlink: _PLfuse_unlink,
+rmdir: _PLfuse_rmdir,
+symlink: _PLfuse_symlink,
+rename: _PLfuse_rename,
+link: _PLfuse_link,
+chmod: _PLfuse_chmod,
+chown: _PLfuse_chown,
+truncate: _PLfuse_truncate,
+utime: _PLfuse_utime,
+open: _PLfuse_open,
+read: _PLfuse_read,
+write: _PLfuse_write,
+statfs: _PLfuse_statfs,
+flush: _PLfuse_flush,
+release: _PLfuse_release,
+fsync: _PLfuse_fsync,
+setxattr: _PLfuse_setxattr,
+getxattr: _PLfuse_getxattr,
+listxattr: _PLfuse_listxattr,
+removexattr: _PLfuse_removexattr,
+#if FUSE_VERSION >= 23
+opendir: _PLfuse_opendir,
+readdir: _PLfuse_readdir,
+releasedir: _PLfuse_releasedir,
+fsyncdir: _PLfuse_fsyncdir,
+init: _PLfuse_init,
+destroy: _PLfuse_destroy,
+#endif /* FUSE_VERSION >= 23 */
+#if FUSE_VERSION >= 25
+access: _PLfuse_access,
+create: _PLfuse_create,
+ftruncate: _PLfuse_ftruncate,
+fgetattr: _PLfuse_fgetattr,
+#endif /* FUSE_VERSION >= 25 */
+#if FUSE_VERSION >= 26
+lock: _PLfuse_lock,
+utimens: _PLfuse_utimens,
+bmap: _PLfuse_bmap,
+#endif /* FUSE_VERSION >= 26 */
+#if FUSE_VERSION >= 28
+ioctl: _PLfuse_ioctl,
+poll: _PLfuse_poll,
+#endif /* FUSE_VERSION >= 28 */
+};
+
+MODULE = Fuse PACKAGE = Fuse
+PROTOTYPES: DISABLE
+
+BOOT:
+ MY_CXT_INIT;
+#ifdef USE_ITHREADS
+ MY_CXT.self = aTHX;
+#endif
+
+void
+CLONE(...)
+ PREINIT:
+#ifdef USE_ITHREADS
+ int i;
+ dTHX;
+#endif
+ CODE:
+#ifdef USE_ITHREADS
+ MY_CXT_CLONE;
+ tTHX parent = MY_CXT.self;
+ MY_CXT.self = my_perl;
+#if (PERL_VERSION < 10) || (PERL_VERSION == 10 && PERL_SUBVERSION <= 0)
+ /* CLONE entered without a pointer table, so we can't safely clone static data */
+ if(!PL_ptr_table) {
+ for(i=0;i<N_CALLBACKS;i++) {
+ MY_CXT.callback[i] = NULL;
+ }
+ MY_CXT.handles = newHV();
+ } else
+#endif
+ {
+ CLONE_PARAMS *clone_param;
+#if (PERL_VERSION > 13) || (PERL_VERSION == 13 && PERL_SUBVERSION >= 2)
+ clone_param = Perl_clone_params_new(parent, aTHX);
+#else
+ CLONE_PARAMS raw_param;
+ raw_param.flags = 0;
+ raw_param.proto_perl = parent;
+ raw_param.stashes = (AV*)sv_2mortal((SV*)newAV());
+ clone_param = &raw_param;
+#endif
+ for(i=0;i<N_CALLBACKS;i++) {
+ MY_CXT.callback[i] = sv_dup(MY_CXT.callback[i], clone_param);
+ }
+ MY_CXT.handles = (HV*)sv_dup((SV*)MY_CXT.handles, clone_param);
+#if (PERL_VERSION > 13) || (PERL_VERSION == 13 && PERL_SUBVERSION >= 2)
+ Perl_clone_params_del(clone_param);
+#endif
+ }
+#endif
+
+SV*
+fuse_get_context()
+ PREINIT:
+ struct fuse_context *fc;
+ CODE:
+ fc = fuse_get_context();
+ if(fc) {
+ HV *hash = newHV();
+ (void) hv_store(hash, "uid", 3, newSViv(fc->uid), 0);
+ (void) hv_store(hash, "gid", 3, newSViv(fc->gid), 0);
+ (void) hv_store(hash, "pid", 3, newSViv(fc->pid), 0);
+ if (fc->private_data)
+ (void) hv_store(hash, "private", 7, fc->private_data, 0);
+#if FUSE_VERSION >= 28
+ (void) hv_store(hash, "umask", 5, newSViv(fc->umask), 0);
+#endif /* FUSE_VERSION >= 28 */
+ RETVAL = newRV_noinc((SV*)hash);
+ } else {
+ XSRETURN_UNDEF;
+ }
+ OUTPUT:
+ RETVAL
+
+SV *
+fuse_version()
+ CODE:
+ RETVAL = newSVpvf("%d.%d", FUSE_MAJOR_VERSION, FUSE_MINOR_VERSION);
+ OUTPUT:
+ RETVAL
+
+SV *
+XATTR_CREATE()
+ CODE:
+ RETVAL = newSViv(XATTR_CREATE);
+ OUTPUT:
+ RETVAL
+
+SV *
+XATTR_REPLACE()
+ CODE:
+ RETVAL = newSViv(XATTR_REPLACE);
+ OUTPUT:
+ RETVAL
+
+void
+perl_fuse_main(...)
+ PREINIT:
+ struct fuse_operations fops;
+ int i, debug;
+ char *mountpoint;
+ char *mountopts;
+ struct fuse_args args = FUSE_ARGS_INIT(0, NULL);
+ struct fuse_chan *fc;
+ dMY_CXT;
+ INIT:
+ if(items != N_CALLBACKS + 6) {
+ fprintf(stderr,"Perl<->C inconsistency or internal error\n");
+ XSRETURN_UNDEF;
+ }
+ memset(&fops, 0, sizeof(struct fuse_operations));
+ CODE:
+ debug = SvIV(ST(0));
+ MY_CXT.threaded = SvIV(ST(1));
+ MY_CXT.handles = (HV*)(sv_2mortal((SV*)(newHV())));
if(MY_CXT.threaded) {
#ifdef FUSE_USE_ITHREADS
master_interp = aTHX;
MUTEX_INIT(&MY_CXT.mutex);
+ SvSHARE((SV*)(MY_CXT.handles));
#else
fprintf(stderr,"FUSE warning: Your script has requested multithreaded "
- "mode, but your perl was not built with -Dusethreads. "
- "Threads are disabled.\n");
+ "mode, but your perl was not built with a supported "
+ "thread model. Threads are disabled.\n");
MY_CXT.threaded = 0;
#endif
}
mountpoint = SvPV_nolen(ST(2));
mountopts = SvPV_nolen(ST(3));
+#if FUSE_VERSION >= 28
+ fops.flag_nullpath_ok = SvIV(ST(4));
+#endif /* FUSE_VERSION >= 28 */
+ MY_CXT.utimens_as_array = SvIV(ST(5));
for(i=0;i<N_CALLBACKS;i++) {
- SV *var = ST(i+4);
+ SV *var = ST(i+6);
/* allow symbolic references, or real code references. */
if(SvOK(var) && (SvPOK(var) || (SvROK(var) && SvTYPE(SvRV(var)) == SVt_PVCV))) {
void **tmp1 = (void**)&_available_ops, **tmp2 = (void**)&fops;
+ /* Dirty hack, to keep anything from overwriting the
+ * flag area with a pointer. There should never be
+ * anything passed as 'junk', but this prevents
+ * someone from doing it and screwing things up... */
+ if (i == 38)
+ continue;
tmp2[i] = tmp1[i];
MY_CXT.callback[i] = var;
} else if(SvOK(var)) {
croak("invalid callback (%i) passed to perl_fuse_main "
"(%s is not a string, code ref, or undef).\n",
- i+4,SvPVbyte_nolen(var));
+ i+6,SvPVbyte_nolen(var));
} else {
MY_CXT.callback[i] = NULL;
}
* to hack on compatibility with other parts of the new API. First and
* foremost, real C argc/argv would be good to get at...
*/
- if (mountopts &&
- (fuse_opt_add_arg(&margs, "") == -1 ||
- fuse_opt_add_arg(&margs, "-o") == -1 ||
- fuse_opt_add_arg(&margs, mountopts) == -1)) {
- fuse_opt_free_args(&margs);
+ if ((mountopts || debug) && fuse_opt_add_arg(&args, "") == -1) {
+ fuse_opt_free_args(&args);
+ croak("out of memory\n");
+ }
+ if (mountopts && strcmp("", mountopts) &&
+ (fuse_opt_add_arg(&args, "-o") == -1 ||
+ fuse_opt_add_arg(&args, mountopts) == -1)) {
+ fuse_opt_free_args(&args);
+ croak("out of memory\n");
+ }
+ if (debug && fuse_opt_add_arg(&args, "-d") == -1) {
+ fuse_opt_free_args(&args);
croak("out of memory\n");
}
- fc = fuse_mount(mountpoint,&margs);
- fuse_opt_free_args(&margs);
+ fc = fuse_mount(mountpoint,&args);
if (fc == NULL)
croak("could not mount fuse filesystem!\n");
- if (debug) {
- if ( fuse_opt_add_arg(&fargs, "") == -1 ||
- fuse_opt_add_arg(&fargs, "-d") == -1) {
- fuse_opt_free_args(&fargs);
- croak("out of memory\n");
- }
- } else {
- if (fuse_opt_add_arg(&fargs, "") == -1)
- croak("out of memory\n");
- }
#ifndef __NetBSD__
if(MY_CXT.threaded) {
- fuse_loop_mt(fuse_new(fc,&fargs,&fops,sizeof(fops),NULL));
+ fuse_loop_mt(fuse_new(fc,&args,&fops,sizeof(fops),NULL));
} else
#endif
- fuse_loop(fuse_new(fc,&fargs,&fops,sizeof(fops),NULL));
+ fuse_loop(fuse_new(fc,&args,&fops,sizeof(fops),NULL));
fuse_unmount(mountpoint,fc);
- fuse_opt_free_args(&fargs);
+ fuse_opt_free_args(&args);
+
+#if FUSE_VERSION >= 28
+
+void
+pollhandle_destroy(...)
+ PREINIT:
+ struct fuse_pollhandle *ph;
+ INIT:
+ if (items != 1) {
+ fprintf(stderr, "No pollhandle passed?\n");
+ XSRETURN_UNDEF;
+ }
+ CODE:
+ ph = INT2PTR(struct fuse_pollhandle*, SvIV(ST(0)));
+ fuse_pollhandle_destroy(ph);
+
+int
+notify_poll(...)
+ PREINIT:
+ struct fuse_pollhandle *ph;
+ INIT:
+ if (items != 1) {
+ fprintf(stderr, "No pollhandle passed?\n");
+ XSRETURN_UNDEF;
+ }
+ CODE:
+ ph = INT2PTR(struct fuse_pollhandle*, SvIV(ST(0)));
+ RETVAL = fuse_notify_poll(ph);
+ OUTPUT:
+ RETVAL
+
+#endif