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Examine the set of pending, masked signals for a process
#include <signal.h>
int sigpending( sigset_t *set );
- set
- A pointer to a sigset_t object that the function sets
to indicate the pending, masked signals.
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The sigpending() function is used to examine the set of pending
signals that are masked (blocked) from delivery to the calling thread
and that are pending on the calling process or thread. They're saved in
the signal set pointed to by set.
- 0
- Success.
- -1
- An error occurred
(errno is set).
- EFAULT
- A fault occurred while accessing the buffer pointed to by set.
See sigprocmask().
POSIX 1003.1
Safety: | |
Cancellation point |
No |
Interrupt handler |
No |
Signal handler |
Yes |
Thread |
Yes |
kill(),
pthread_sigmask(),
raise(),
sigaction(),
sigaddset(),
sigdelset(),
sigemptyset(),
sigfillset(),
sigismember(),
signal(),
sigprocmask()
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