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Feature #13996 ยป 0001-file.c-apply2files-releases-GVL.patch

normalperson (Eric Wong), 10/10/2017 07:15 PM

View differences:

file.c
# define TO_OSPATH(str) (str)
#endif
/* utime may fail if time is out-of-range for the FS [ruby-dev:38277] */
#if defined DOSISH || defined __CYGWIN__
# define UTIME_EINVAL
#endif
VALUE rb_cFile;
VALUE rb_mFileTest;
VALUE rb_cStat;
......
#define apply2args(n) (rb_check_arity(argc, n, UNLIMITED_ARGUMENTS), argc-=n)
struct apply_arg {
int i;
int argc;
int errnum;
int (*func)(const char *, void *);
void *arg;
struct {
const char *ptr;
VALUE path;
} fn[1]; /* flexible array */
};
static void *
no_gvl_apply2files(void *ptr)
{
struct apply_arg *aa = ptr;
for (aa->i = 0; aa->i < aa->argc; aa->i++) {
if (aa->func(aa->fn[aa->i].ptr, aa->arg) < 0) {
aa->errnum = errno;
break;
}
}
return 0;
}
#ifdef UTIME_EINVAL
NORETURN(static void utime_failed(struct apply_arg *));
static int utime_internal(const char *, void *);
#endif
static VALUE
apply2files(void (*func)(const char *, VALUE, void *), int argc, VALUE *argv, void *arg)
apply2files(int (*func)(const char *, void *), int argc, VALUE *argv, void *arg)
{
long i;
VALUE path;
VALUE v;
VALUE tmp = Qfalse;
size_t size = sizeof(const char *) + sizeof(VALUE);
const long len = (long)(sizeof(struct apply_arg) + (size * argc) - size);
struct apply_arg *aa = ALLOCV(v, len);
aa->errnum = 0;
aa->argc = argc;
aa->arg = arg;
aa->func = func;
/*
* aa is on-stack for small argc, we must ensure paths are marked
* for large argv
*/
if (v) {
tmp = rb_ary_tmp_new(argc);
}
for (aa->i = 0; aa->i < argc; aa->i++) {
VALUE path = rb_get_path(argv[aa->i]);
for (i=0; i<argc; i++) {
const char *s;
path = rb_get_path(argv[i]);
path = rb_str_encode_ospath(path);
s = RSTRING_PTR(path);
(*func)(s, path, arg);
aa->fn[aa->i].ptr = RSTRING_PTR(path);
aa->fn[aa->i].path = path;
if (tmp != Qfalse) {
rb_ary_push(tmp, path);
}
}
rb_thread_call_without_gvl(no_gvl_apply2files, aa, RUBY_UBF_IO, 0);
if (aa->errnum) {
#ifdef UTIME_EINVAL
if (func == utime_internal) {
utime_failed(aa);
}
#endif
rb_syserr_fail_path(aa->errnum, aa->fn[aa->i].path);
}
if (v) {
ALLOCV_END(v);
}
if (tmp != Qfalse) {
rb_ary_clear(tmp);
rb_gc_force_recycle(tmp);
}
return LONG2FIX(argc);
}
......
return OFFT2NUM(st.st_size);
}
static void
chmod_internal(const char *path, VALUE pathv, void *mode)
static int
chmod_internal(const char *path, void *mode)
{
if (chmod(path, *(int *)mode) < 0)
rb_sys_fail_path(pathv);
return chmod(path, *(int *)mode);
}
/*
......
}
#if defined(HAVE_LCHMOD)
static void
lchmod_internal(const char *path, VALUE pathv, void *mode)
static int
lchmod_internal(const char *path, void *mode)
{
if (lchmod(path, (int)(VALUE)mode) < 0)
rb_sys_fail_path(pathv);
return lchmod(path, (int)(VALUE)mode);
}
/*
......
rb_gid_t group;
};
static void
chown_internal(const char *path, VALUE pathv, void *arg)
static int
chown_internal(const char *path, void *arg)
{
struct chown_args *args = arg;
if (chown(path, args->owner, args->group) < 0)
rb_sys_fail_path(pathv);
return chown(path, args->owner, args->group);
}
/*
......
}
#if defined(HAVE_LCHOWN)
static void
lchown_internal(const char *path, VALUE pathv, void *arg)
static int
lchown_internal(const char *path, void *arg)
{
struct chown_args *args = arg;
if (lchown(path, args->owner, args->group) < 0)
rb_sys_fail_path(pathv);
return lchown(path, args->owner, args->group);
}
/*
......
VALUE atime, mtime;
};
#if defined DOSISH || defined __CYGWIN__
NORETURN(static void utime_failed(VALUE, const struct timespec *, VALUE, VALUE));
#ifdef UTIME_EINVAL
NORETURN(static void utime_failed(struct apply_arg *));
static void
utime_failed(VALUE path, const struct timespec *tsp, VALUE atime, VALUE mtime)
utime_failed(struct apply_arg *aa)
{
int e = errno;
if (tsp && e == EINVAL) {
int e = aa->errnum;
VALUE path = aa->fn[aa->i].path;
struct utime_args *ua = aa->arg;
if (ua->tsp && e == EINVAL) {
VALUE e[2], a = Qnil, m = Qnil;
int d = 0;
VALUE atime = ua->atime;
VALUE mtime = ua->mtime;
if (!NIL_P(atime)) {
a = rb_inspect(atime);
}
......
}
rb_syserr_fail_path(e, path);
}
#else
#define utime_failed(path, tsp, atime, mtime) rb_sys_fail_path(path)
#endif
#if defined(HAVE_UTIMES)
static void
utime_internal(const char *path, VALUE pathv, void *arg)
static int
utime_internal(const char *path, void *arg)
{
struct utime_args *v = arg;
const struct timespec *tsp = v->tsp;
......
try_utimensat = 0;
goto no_utimensat;
}
utime_failed(pathv, tsp, v->atime, v->mtime);
return -1; /* calls utime_failed */
}
return;
return 0;
}
no_utimensat:
#endif
......
tvbuf[1].tv_usec = (int)(tsp[1].tv_nsec / 1000);
tvp = tvbuf;
}
if (utimes(path, tvp) < 0)
utime_failed(pathv, tsp, v->atime, v->mtime);
return utimes(path, tvp);
}
#else
......
};
#endif
static void
utime_internal(const char *path, VALUE pathv, void *arg)
static int
utime_internal(const char *path, void *arg)
{
struct utime_args *v = arg;
const struct timespec *tsp = v->tsp;
......
utbuf.modtime = tsp[1].tv_sec;
utp = &utbuf;
}
if (utime(path, utp) < 0)
utime_failed(pathv, tsp, v->atime, v->mtime);
return utime(path, utp);
}
#endif
......
#define rb_file_s_readlink rb_f_notimplement
#endif
static void
unlink_internal(const char *path, VALUE pathv, void *arg)
static int
unlink_internal(const char *path, void *arg)
{
if (unlink(path) < 0)
rb_sys_fail_path(pathv);
return unlink(path);
}
/*
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    (1-1/1)