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Fix some issues

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Justine Tunney 2023-10-09 20:18:48 -07:00
parent 211d5d902e
commit 9d372f48dd
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GPG key ID: BE714B4575D6E328
29 changed files with 373 additions and 63 deletions
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13
libc/thread/pthread_cancel.c
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@ -46,7 +46,9 @@ extern const char systemfive_cancellable[];
extern const char systemfive_cancellable_end[];
long _pthread_cancel_ack(void) {
struct PosixThread *pt = _pthread_self();
struct PosixThread *pt;
STRACE("_pthread_cancel_ack()");
pt = _pthread_self();
if (!(pt->pt_flags & (PT_NOCANCEL | PT_MASKED)) ||
(pt->pt_flags & PT_ASYNC)) {
pthread_exit(PTHREAD_CANCELED);
@ -58,6 +60,7 @@ long _pthread_cancel_ack(void) {
return ecanceled();
}
// the purpose of this routine is to force a blocking system call to end
static void _pthread_cancel_sig(int sig, siginfo_t *si, void *arg) {
ucontext_t *ctx = arg;
@ -231,6 +234,7 @@ static errno_t _pthread_cancel_everyone(void) {
* - `nsync_cv_wait`
* - `opendir`
* - `openatemp`, 'mkstemp', etc.
* - `sleep`, `usleep`, `nanosleep`, `timespec_sleep`, etc.
* - `pclose`
* - `popen`
* - `fwrite`, `printf`, `fprintf`, `putc`, etc.
@ -344,15 +348,12 @@ static errno_t _pthread_cancel_everyone(void) {
* @raise ESRCH if system thread wasn't alive or we lost a race
*/
errno_t pthread_cancel(pthread_t thread) {
errno_t err;
struct PosixThread *arg;
if ((arg = (struct PosixThread *)thread)) {
err = _pthread_cancel_single(arg);
return _pthread_cancel_single(arg);
} else {
err = _pthread_cancel_everyone();
return _pthread_cancel_everyone();
}
STRACE("pthread_cancel(%d) → %s", _pthread_tid(arg), DescribeErrno(err));
return err;
}
/**