#include "prefork.h"
-const char *interp, *ident;
-int numservers=4, debugmode;
-int check_interval=300;
-
+const char *interp, *ident, *script, *socket_path, *lock_path;
+bool logging;
struct sha256_ctx identsc;
-uid_t us;
-const char *run_base, *script, *socket_path, *lock_path;
-const char *run_base_mkdir_p;
-bool logging;
+static uid_t us;
+static const char *run_base;
+static const char *run_base_mkdir_p;
void common_diee(const char *m) { diee("%s", m); }
void common_die (const char *m) { die ("%s", m); }
socket_path = m_asprintf("%s/s%s",run_base,ident);
}
-#ifdef st_mtime
-
-bool stab_isnewer(const struct stat *a, const struct stat *b) {
- if (debugmode)
- fprintf(stderr,"stab_isnewer mtim %lu.%06lu %lu.06%lu\n",
- (unsigned long)a->st_mtim.tv_sec,
- (unsigned long)a->st_mtim.tv_nsec,
- (unsigned long)b->st_mtim.tv_sec,
- (unsigned long)b->st_mtim.tv_nsec);
- return timespeccmp(&a->st_mtim, &b->st_mtim, >);
-}
-
-void stab_mtimenow(struct stat *out) {
- int r = clock_gettime(CLOCK_REALTIME, &out->st_mtim);
- if (r) diee("(stage2) clock_gettime");
- if (debugmode)
- fprintf(stderr,"stab_mtimenow mtim %lu.%06lu\n",
- (unsigned long)out->st_mtim.tv_sec,
- (unsigned long)out->st_mtim.tv_nsec);
-}
-
-#else /* !defined(st_mtime) */
-
-bool stab_isnewer(const struct stat *a, const struct stat *b) {
- if (debugmode)
- fprintf(stderr,"stab_isnewer mtime %lu %lu\n",
- (unsigned long)a->st_mtime,
- (unsigned long)b->st_mtime);
- return a->st_mtime > b->st_mtime;
-}
-
-void stab_mtimenow(struct stat *out) {
- out->st_mtime = time(NULL);
- if (out->st_mtime == (time_t)-1) diee("(stage2) time()");
- if (debugmode)
- fprintf(stderr,"stab_mtimenow mtime %lu\n",
- (unsigned long)out->st_mtime);
-}
-
-#endif /* !defined(st_mtime) */
-
-bool check_garbage_vs(const struct stat *started) {
- struct stat script_stab;
- int r;
-
- r = lstat(script, &script_stab);
- if (r) diee("lstat script (%s)",script);
-
- if (stab_isnewer(&script_stab, started))
- return 1;
-
- if (S_ISLNK(script_stab.st_mode)) {
- r = stat(script, &script_stab);
- if (r) diee("stat script (%s0",script);
-
- if (stab_isnewer(&script_stab, started))
- return 1;
- }
-
- return 0;
-}
-
-bool check_garbage(void) {
- struct stat sock_stab;
- int r;
-
- r = lstat(socket_path, &sock_stab);
- if (r) {
- if ((errno == ENOENT))
- return 0; /* well, no garbage then */
- diee("stat socket (%s)",socket_path);
- }
-
- return check_garbage_vs(&sock_stab);
-}
-
// Returns fd
int acquire_lock(void) {
int r;
return lockfd;
}
-void tidy_garbage(void) {
- /* We lock l<ident> and re-check. The effect of this is that each
- * stale socket is removed only once. So unless multiple updates to
- * the script happen rapidly, we can't be racing with the cgi-fcgi
- * (which is recreating the socket */
- int lockfd = -1;
- int r;
-
- lockfd = acquire_lock();
-
- if (check_garbage()) {
- r = unlink(socket_path);
- if (r) {
- if (!(errno == ENOENT))
- diee("remove out-of-date socket (%s)", socket_path);
- }
- }
-
- r = close(lockfd);
- if (r) diee("close lock (%s)", lock_path);
-}
-
static void shbang_opts(const char *const **argv_io,
const struct cmdinfo *cmdinfos) {
myopt(argv_io, cmdinfos);
shbang_opts(&split_argv, cmdinfos);
/* sets interp */
+
+ if (!**argv_io)
+ badusage("no script argument (expected after combined #! options)");
} else {
shbang_opts(argv_io, cmdinfos);
}