diff options
Diffstat (limited to 'lib/libthr/thread/thr_syscalls.c')
| -rw-r--r-- | lib/libthr/thread/thr_syscalls.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/lib/libthr/thread/thr_syscalls.c b/lib/libthr/thread/thr_syscalls.c index e71bf4a..2484e52 100644 --- a/lib/libthr/thread/thr_syscalls.c +++ b/lib/libthr/thread/thr_syscalls.c @@ -327,6 +327,26 @@ __thr_poll(struct pollfd *fds, unsigned int nfds, int timeout) * the thread is not canceled. */ static int +__thr_ppoll(struct pollfd pfd[], nfds_t nfds, const struct timespec * + timeout, const sigset_t *newsigmask) +{ + struct pthread *curthread; + int ret; + + curthread = _get_curthread(); + _thr_cancel_enter(curthread); + ret = __sys_ppoll(pfd, nfds, timeout, newsigmask); + _thr_cancel_leave(curthread, ret == -1); + + return (ret); +} + +/* + * Cancellation behavior: + * Thread may be canceled at start, but if the system call returns something, + * the thread is not canceled. + */ +static int __thr_pselect(int count, fd_set *rfds, fd_set *wfds, fd_set *efds, const struct timespec *timo, const sigset_t *mask) { @@ -545,6 +565,25 @@ __thr_wait4(pid_t pid, int *status, int options, struct rusage *rusage) /* * Cancellation behavior: + * Thread may be canceled at start, but if the system call returns + * a child pid, the thread is not canceled. + */ +static pid_t +__thr_wait6(idtype_t idtype, id_t id, int *status, int options, + struct __wrusage *ru, siginfo_t *infop) +{ + struct pthread *curthread; + pid_t ret; + + curthread = _get_curthread(); + _thr_cancel_enter(curthread); + ret = __sys_wait6(idtype, id, status, options, ru, infop); + _thr_cancel_leave(curthread, ret <= 0); + return (ret); +} + +/* + * Cancellation behavior: * Thread may be canceled at start, but if the thread wrote some data, * it is not canceled. */ @@ -623,6 +662,8 @@ __thr_interpose_libc(void) SLOT(spinlock); SLOT(spinunlock); SLOT(kevent); + SLOT(wait6); + SLOT(ppoll); #undef SLOT *(__libc_interposing_slot( INTERPOS__pthread_mutex_init_calloc_cb)) = |
