Suspends execution of the calling process.
Syntax |
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#include <unistd.h>
int pause (void);
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Parameters |
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None.
Return Values |
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- No return
Success.
- -1
An error occurred, and errno is set to indicate the error condition.
Description |
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The pause() function suspends execution of the calling process until the delivery of a signal that either executes a user-supplied signal handling function (signal handler) or causes the process to terminate. If the signal executes a signal handler, pause() returns a -1 after the signal handler returns. If a signal terminates the paused process, pause() does not return to the caller.
Implementation Considerations |
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None.
Errors |
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If an error occurs, errno is set to the following value:
| EINTR | CAUSE | A signal was caught by the calling process, and control was returned from the signal handler. |
| | ACTION | No action required. |
See Also |
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alarm(), kill(), sigaction(), wait(), POSIX.1 (Section 3.4.2).
