diff options
Diffstat (limited to 'Python/thread.c')
| -rw-r--r-- | Python/thread.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/Python/thread.c b/Python/thread.c index bdf3467..877b8e1 100644 --- a/Python/thread.c +++ b/Python/thread.c @@ -1,11 +1,24 @@ #include "thread.h" +<<<<<<< thread.c +#ifndef DEBUG +#define DEBUG +#endif + #ifdef DEBUG #define dprintf(args) printf args #else #define dprintf(args) #endif +======= +#ifdef DEBUG +#define dprintf(args) printf args +#else +#define dprintf(args) +#endif + +>>>>>>> 2.3 #ifdef __sgi #include <stdlib.h> #include <stdio.h> @@ -59,6 +72,83 @@ struct lock { static int initialized; +<<<<<<< thread.c +#ifdef __sgi +/* + * This routine is called as a signal handler when another thread + * exits. When that happens, we must see whether we have to exit as + * well (because of an exit_prog()) or whether we should continue on. + */ +static void exit_sig _P0() +{ + dprintf(("exit_sig called\n")); + if (exiting && getpid() == my_pid) { + dprintf(("already exiting\n")); + return; + } + if (do_exit) { + dprintf(("exiting in exit_sig\n")); + exit_thread(); + } +} + +/* + * This routine is called when a process calls exit(). If that wasn't + * done from the library, we do as if an exit_prog() was intended. + */ +static void maybe_exit _P0() +{ + dprintf(("maybe_exit called\n")); + if (exiting) { + dprintf(("already exiting\n")); + return; + } + exit_prog(0); +} +#endif + +/* + * Initialization. + */ +void init_thread _P0() +{ +#ifdef __sgi + struct sigaction s; +#endif + + dprintf(("init_thread called\n")); + if (initialized) + return; + initialized = 1; + +#ifdef __sgi + my_pid = getpid(); /* so that we know which is the main thread */ + atexit(maybe_exit); + s.sa_handler = exit_sig; + sigemptyset(&s.sa_mask); + sigaddset(&s.sa_mask, SIGUSR1); + s.sa_flags = 0; + sigaction(SIGUSR1, &s, 0); + prctl(PR_SETEXITSIG, SIGUSR1); + usconfig(CONF_ARENATYPE, US_SHAREDONLY); + /*usconfig(CONF_LOCKTYPE, US_DEBUGPLUS);*/ + shared_arena = usinit(tmpnam(0)); + count_lock = usnewlock(shared_arena); + (void) usinitlock(count_lock); + wait_lock = usnewlock(shared_arena); +#endif +#ifdef sun + lwp_setstkcache(STACKSIZE, NSTACKS); +#endif +#ifdef C_THREADS + cthread_init(); +#endif +} + +/* + * Thread support. + */ +======= #ifdef __sgi /* * This routine is called as a signal handler when another thread @@ -134,6 +224,7 @@ void init_thread _P0() /* * Thread support. */ +>>>>>>> 2.3 int start_new_thread _P2(func, void (*func) _P((void *)), arg, void *arg) { #ifdef sun |