#include "perl.h"
#include "XSUB.h"
-#include <fuse/fuse.h>
+#ifdef USE_ITHREADS
+# ifdef I_PTHREAD
+/* perl implements threads with pthread. So, we use the pthread API for
+ * handling thread-local storage. */
+# include <pthread.h>
+PerlInterpreter *master_interp = NULL;
+static inline void create_perl_context() {
+ if(master_interp) {
+ PerlInterpreter *me = PERL_GET_CONTEXT;
+ if(!me) {
+ PERL_SET_CONTEXT(master_interp);
+ me = perl_clone(master_interp, CLONEf_CLONE_HOST);
+ }
+ }
+}
+# define FUSE_CONTEXT_PRE create_perl_context(); {
+# define FUSE_CONTEXT_POST }
+# define FUSE_USE_ITHREADS
+# else
+# error "Sorry, I don't know how to handle ithreads on this architecture."
+# endif
+#else
+# define FUSE_CONTEXT_PRE
+# define FUSE_CONTEXT_POST
+#endif
+#include <fuse.h>
#undef DEBUGf
#if 0
-#define DEBUGf(f, a...) fprintf(stderr, "%s:%d (%i): " f,__BASE_FILE__,__LINE__,PL_stack_sp-PL_stack_base ,##a )
+#define DEBUGf(f, a...) fprintf(stderr, "%s:%d (%i): " f,__BASE_FILE__,__LINE__,sp-PL_stack_base ,##a )
#else
#define DEBUGf(a...)
#endif
SV *_PLfuse_callbacks[N_CALLBACKS];
int _PLfuse_getattr(const char *file, struct stat *result) {
+ int rv;
+ FUSE_CONTEXT_PRE;
dSP;
- int rv, statcount;
+ DEBUGf("getattr begin: %s\n",file);
ENTER;
SAVETMPS;
PUSHMARK(SP);
result->st_uid = POPi;
result->st_nlink = POPi;
result->st_mode = POPi;
- /*result->st_ino =*/ POPi;
+ result->st_ino = POPi;
result->st_dev = POPi;
rv = 0;
}
FREETMPS;
LEAVE;
PUTBACK;
+ DEBUGf("getattr end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_readlink(const char *file,char *buf,size_t buflen) {
int rv;
- char *rvstr;
+ FUSE_CONTEXT_PRE;
dSP;
- I32 ax;
if(buflen < 1)
return EINVAL;
+ DEBUGf("readlink begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
LEAVE;
buf[buflen-1] = 0;
PUTBACK;
+ DEBUGf("readlink end: %i\n",rv);
+ FUSE_CONTEXT_POST;
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;
+ FUSE_CONTEXT_PRE;
dSP;
+ DEBUGf("getdir begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
if(prv) {
rv = POPi;
while(--prv)
- dirfil(dirh,POPp,0);
+ dirfil(dirh,POPp,0,0);
} else {
fprintf(stderr,"getdir() handler returned nothing!\n");
rv = -ENOSYS;
FREETMPS;
LEAVE;
PUTBACK;
+ DEBUGf("getdir end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_mknod (const char *file, mode_t mode, dev_t dev) {
int rv;
- SV *rvsv;
- char *rvstr;
+ FUSE_CONTEXT_PRE;
dSP;
+ DEBUGf("mknod begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
FREETMPS;
LEAVE;
PUTBACK;
+ DEBUGf("mknod end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_mkdir (const char *file, mode_t mode) {
int rv;
- SV *rvsv;
- char *rvstr;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("mkdir begin: %i\n",sp-PL_stack_base);
+ DEBUGf("mkdir begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("mkdir end: %i %i\n",sp-PL_stack_base,rv);
+ DEBUGf("mkdir end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_unlink (const char *file) {
int rv;
- SV *rvsv;
- char *rvstr;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("unlink begin: %i\n",sp-PL_stack_base);
+ DEBUGf("unlink begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("unlink end: %i\n",sp-PL_stack_base);
+ DEBUGf("unlink end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_rmdir (const char *file) {
int rv;
- SV *rvsv;
- char *rvstr;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("rmdir begin: %i\n",sp-PL_stack_base);
+ DEBUGf("rmdir begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("rmdir end: %i %i\n",sp-PL_stack_base,rv);
+ DEBUGf("rmdir end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_symlink (const char *file, const char *new) {
int rv;
- SV *rvsv;
- char *rvstr;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("symlink begin: %i\n",sp-PL_stack_base);
+ DEBUGf("symlink begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("symlink end: %i\n",sp-PL_stack_base);
+ DEBUGf("symlink end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_rename (const char *file, const char *new) {
int rv;
- SV *rvsv;
- char *rvstr;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("rename begin: %i\n",sp-PL_stack_base);
+ DEBUGf("rename begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("rename end: %i\n",sp-PL_stack_base);
+ DEBUGf("rename end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_link (const char *file, const char *new) {
int rv;
- SV *rvsv;
- char *rvstr;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("link begin: %i\n",sp-PL_stack_base);
+ DEBUGf("link begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("link end: %i\n",sp-PL_stack_base);
+ DEBUGf("link end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_chmod (const char *file, mode_t mode) {
int rv;
- SV *rvsv;
- char *rvstr;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("chmod begin: %i\n",sp-PL_stack_base);
+ DEBUGf("chmod begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("chmod end: %i\n",sp-PL_stack_base);
+ DEBUGf("chmod end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_chown (const char *file, uid_t uid, gid_t gid) {
int rv;
- SV *rvsv;
- char *rvstr;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("chown begin: %i\n",sp-PL_stack_base);
+ DEBUGf("chown begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("chown end: %i\n",sp-PL_stack_base);
+ DEBUGf("chown end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_truncate (const char *file, off_t off) {
int rv;
- SV *rvsv;
- char *rvstr;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("truncate begin: %i\n",sp-PL_stack_base);
+ DEBUGf("truncate begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("truncate end: %i\n",sp-PL_stack_base);
+ DEBUGf("truncate end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_utime (const char *file, struct utimbuf *uti) {
int rv;
- SV *rvsv;
- char *rvstr;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("utime begin: %i\n",sp-PL_stack_base);
+ DEBUGf("utime begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("utime end: %i\n",sp-PL_stack_base);
+ DEBUGf("utime end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
-int _PLfuse_open (const char *file, int flags) {
+int _PLfuse_open (const char *file, struct fuse_file_info *fi) {
int rv;
- SV *rvsv;
- char *rvstr;
+ int flags = fi->flags;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("open begin: %i\n",sp-PL_stack_base);
+ DEBUGf("open begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("open end: %i %i\n",sp-PL_stack_base,rv);
+ DEBUGf("open end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
-int _PLfuse_read (const char *file, char *buf, size_t buflen, off_t off) {
+int _PLfuse_read (const char *file, char *buf, size_t buflen, off_t off, struct fuse_file_info *fi) {
int rv;
- char *rvstr;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("read begin: %i\n",sp-PL_stack_base);
+ DEBUGf("read begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("read end: %i %i\n",sp-PL_stack_base,rv);
+ DEBUGf("read end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
-int _PLfuse_write (const char *file, const char *buf, size_t buflen, off_t off) {
+int _PLfuse_write (const char *file, const char *buf, size_t buflen, off_t off, struct fuse_file_info *fi) {
int rv;
- char *rvstr;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("write begin: %i\n",sp-PL_stack_base);
+ DEBUGf("write begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("write end: %i\n",sp-PL_stack_base);
+ DEBUGf("write end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
-int _PLfuse_statfs (const char *file, struct statfs *st) {
+int _PLfuse_statfs (const char *file, struct statvfs *st) {
int rv;
- char *rvstr;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("statfs begin: %i\n",sp-PL_stack_base);
+ DEBUGf("statfs begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
PUTBACK;
rv = call_sv(_PLfuse_callbacks[17],G_ARRAY);
SPAGAIN;
- if(rv > 5) {
- st->f_bsize = POPi;
- st->f_bfree = POPi;
- st->f_blocks = POPi;
- st->f_ffree = POPi;
- st->f_files = POPi;
- st->f_namelen = POPi;
- if(rv > 6)
+ DEBUGf("statfs got %i params\n",rv);
+ if(rv == 6 || rv == 7) {
+ st->f_bsize = POPi;
+ st->f_bfree = POPi;
+ st->f_blocks = POPi;
+ st->f_ffree = POPi;
+ st->f_files = POPi;
+ st->f_namemax = POPi;
+ /* zero and fill-in other */
+ st->f_fsid = 0;
+ st->f_frsize = 4096;
+ st->f_flag = 0;
+ st->f_bavail = st->f_bfree;
+ st->f_favail = st->f_ffree;
+
+ if(rv == 7)
rv = POPi;
else
rv = 0;
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("statfs end: %i\n",sp-PL_stack_base);
+ DEBUGf("statfs end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
-int _PLfuse_flush (const char *file) {
+int _PLfuse_flush (const char *file, struct fuse_file_info *fi) {
int rv;
- char *rvstr;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("flush begin: %i\n",sp-PL_stack_base);
+ DEBUGf("flush begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("flush end: %i\n",sp-PL_stack_base);
+ DEBUGf("flush end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
-int _PLfuse_release (const char *file, int flags) {
+int _PLfuse_release (const char *file, struct fuse_file_info *fi) {
int rv;
- char *rvstr;
+ int flags = fi->flags;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("release begin: %i\n",sp-PL_stack_base);
+ DEBUGf("release begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("release end: %i\n",sp-PL_stack_base);
+ DEBUGf("release end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
-int _PLfuse_fsync (const char *file, int flags) {
+int _PLfuse_fsync (const char *file, int datasync, struct fuse_file_info *fi) {
int rv;
- char *rvstr;
+ int flags = fi->flags;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("fsync begin: %i\n",sp-PL_stack_base);
+ DEBUGf("fsync begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("fsync end: %i\n",sp-PL_stack_base);
+ DEBUGf("fsync end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_setxattr (const char *file, const char *name, const char *buf, size_t buflen, int flags) {
int rv;
- char *rvstr;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("setxattr begin: %i\n",sp-PL_stack_base);
+ DEBUGf("setxattr begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("setxattr end: %i\n",sp-PL_stack_base);
+ DEBUGf("setxattr end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_getxattr (const char *file, const char *name, char *buf, size_t buflen) {
int rv;
- char *rvstr;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("getxattr begin: %i\n",sp-PL_stack_base);
+ DEBUGf("getxattr begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("getxattr end: %i\n",sp-PL_stack_base);
+ DEBUGf("getxattr end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_listxattr (const char *file, char *list, size_t size) {
int prv, rv;
- char *rvstr;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("listxattr begin: %i\n",sp-PL_stack_base);
+ DEBUGf("listxattr begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
char *p = list;
int spc = size;
int total_len = 0;
- int i;
rv = POPi;
prv--;
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("listxattr end: %i\n",sp-PL_stack_base);
+ DEBUGf("listxattr end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
int _PLfuse_removexattr (const char *file, const char *name) {
int rv;
- char *rvstr;
+ FUSE_CONTEXT_PRE;
dSP;
- DEBUGf("removexattr begin: %i\n",sp-PL_stack_base);
+ DEBUGf("removexattr begin\n");
ENTER;
SAVETMPS;
PUSHMARK(SP);
FREETMPS;
LEAVE;
PUTBACK;
- DEBUGf("removexattr end: %i\n",sp-PL_stack_base);
+ DEBUGf("removexattr end: %i\n",rv);
+ FUSE_CONTEXT_POST;
return rv;
}
getattr: _PLfuse_getattr,
readlink: _PLfuse_readlink,
getdir: _PLfuse_getdir,
+#if 0
+readdir: _PLfuse_readdir,
+#endif
mknod: _PLfuse_mknod,
mkdir: _PLfuse_mkdir,
unlink: _PLfuse_unlink,
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, fd, varnum = 0, debug, have_mnt;
+ 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, fd, debug, threaded;
char *mountpoint;
- STRLEN n_a;
- STRLEN l;
+ char *mountopts;
+ struct fuse_args margs = FUSE_ARGS_INIT(0, NULL);
+ struct fuse_args fargs = FUSE_ARGS_INIT(0, NULL);
INIT:
- if(items != 27) {
+ if(items != 29) {
fprintf(stderr,"Perl<->C inconsistency or internal error\n");
XSRETURN_UNDEF;
}
CODE:
debug = SvIV(ST(0));
- mountpoint = SvPV_nolen(ST(1));
- /* FIXME: reevaluate multithreading support when perl6 arrives */
+ threaded = SvIV(ST(1));
+ if(threaded) {
+#ifdef FUSE_USE_ITHREADS
+ master_interp = PERL_GET_INTERP;
+#else
+ fprintf(stderr,"FUSE warning: Your script has requested multithreaded "
+ "mode, but your perl was not built with -Dusethreads. "
+ "Threads are disabled.\n");
+ threaded = 0;
+#endif
+ }
+ mountpoint = SvPV_nolen(ST(2));
+ mountopts = SvPV_nolen(ST(3));
for(i=0;i<N_CALLBACKS;i++) {
- SV *var = ST(i+2);
- if((var != &PL_sv_undef) && SvROK(var)) {
- if(SvTYPE(SvRV(var)) == SVt_PVCV) {
- void **tmp1 = (void**)&_available_ops, **tmp2 = (void**)&fops;
- tmp2[i] = tmp1[i];
- _PLfuse_callbacks[i] = var;
- } else
- croak("arg is not a code reference!");
+ SV *var = ST(i+4);
+ /* 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;
+ tmp2[i] = tmp1[i];
+#ifdef FUSE_USE_ITHREADS
+ if(threaded)
+ /* note: under 5.8.7, this croaks for code references. */
+ SvSHARE(var);
+#endif
+ _PLfuse_callbacks[i] = var;
+ } else
+ if(SvOK(var)) {
+ croak("invalid callback passed to perl_fuse_main "
+ "(%s is not a string, code ref, or undef).\n",
+ i+4,SvPVbyte_nolen(var));
}
}
- /* FIXME: need to pass fusermount arguments */
- fd = fuse_mount(mountpoint,NULL);
+ /*
+ * XXX: What comes here is just a ridiculous use of the option parsing API
+ * 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);
+ croak("out of memory\n");
+ }
+ fd = fuse_mount(mountpoint,&margs);
+ fuse_opt_free_args(&margs);
if(fd < 0)
- croak("could not mount fuse filesystem!");
- fuse_loop(fuse_new(fd,debug ? "debug" : NULL,&fops));
+ 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");
+ }
+
+ if(threaded) {
+ fuse_loop_mt(fuse_new(fd,&fargs,&fops,sizeof(fops)/sizeof(void*)));
+ } else
+ fuse_loop(fuse_new(fd,&fargs,&fops,sizeof(fops)/sizeof(void*)));
+ fuse_opt_free_args(&fargs);
projects / perl-fuse.git / blobdiff