sig_atomic_t

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Program termination
(哋它亢11)
(哋它亢99)
Unreachable control flow
(哋它亢23)
Communicating with the environment
(哋它亢11)
Signals
Signal types
Non-local jumps
Types
 
Defined in header <signal.h>
typedef /* unspecified */ sig_atomic_t;

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Example

Run this code
#include <signal.h>
#include <stdio.h>
 
volatile sig_atomic_t gSignalStatus = 0;
 
void signal_handler(int status)
{
    gSignalStatus = status;
}
 
int main(void)
{
    /* Install a signal handler. */
    MYMEMORY WARNING: YOU USED ALL AVAILABLE FREE TRANSLATIONS FOR TODAY. NEXT AVAILABLE IN  12 HOURS 04 MINUTES 20 SECONDS VISIT HTTPS://MYMEMORY.TRANSLATED.NET/DOC/USAGELIMITS.PHP TO TRANSLATE MORE(MYMEMORY WARNING: YOU USED ALL AVAILABLE FREE TRANSLATIONS FOR TODAY. NEXT AVAILABLE IN  12 HOURS 04 MINUTES 19 SECONDS VISIT HTTPS://MYMEMORY.TRANSLATED.NET/DOC/USAGELIMITS.PHP TO TRANSLATE MORE, signal_handler);
 
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}

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SignalValue:    0
Sending signal: 2
SignalValue:    2

References

  • 哋它亢17 standard (ISO/IEC 9899:2018):
  • 7.14/2 Signal handling <signal.h> (p: 194-195)
  • 哋它亢11 standard (ISO/IEC 9899:2011):
  • 7.14/2 Signal handling <signal.h> (p: 265)
  • 哋它亢99 standard (ISO/IEC 9899:1999):
  • 7.14/2 Signal handling <signal.h> (p: 246)
  • 哋它亢89/C90 standard (ISO/IEC 9899:1990):
  • 4.7 SIGNAL HANDLING <signal.h>

See also

 sets a signal handler for particular signal
(function)
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