sigaddset()
QNX SDP8.0C Library ReferenceAPIDeveloper
Add a signal to a set
Synopsis:
#include <signal.h>
int sigaddset( sigset_t *set,
int signo );
Arguments:
- set
- A pointer to the sigset_t object that you want to add the signal to.
- signo
- The signal that you want to add.
For more information, see
POSIX and QNX OS signals
in the documentation for SignalAction().
Library:
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
Description:
The sigaddset() function adds signo to the set pointed to by set.
Returns:
- 0
- Success.
- -1
- An error occurred (errno is set).
Errors:
- EINVAL
- The signal signo isn't valid.
Examples:
See sigemptyset().
Classification:
| Safety: | |
|---|---|
| Cancellation point | No |
| Signal handler | Yes |
| Thread | Yes |
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