at_quick_exit
From cppreference.com
| Defined in header
<stdlib.h>
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| int at_quick_exit( void (*func)() );
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(since C11) | |
Registers the function pointed to by func to be called on quick program termination (via quick_exit).
Calling the function from several threads does not induce a data race. The implementation shall support the registration of at least 32 functions.
Contents |
[edit] Parameters
| func | - | pointer to a function to be called on normal program termination |
[edit] Return value
0 if the registration succeeds, nonzero value otherwise.
[edit] Example
Run this code
#include <stdlib.h> #include <stdio.h> void f1() { puts("pushed first"); fflush(stdout); } void f2() { puts("pushed second"); } int main(void) { at_quick_exit(f1); at_quick_exit(f2); quick_exit(0); }
Output:
pushed second pushed first
[edit] References
- C11 standard (ISO/IEC 9899:2011):
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- 7.22.4.3 The at_quick_exit function (p: 351)
[edit] See also
| registers a function to be called on exit() invocation (function) |
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C++ documentation for at_quick_exit
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