From 82ba818ff456bcd6d56a06226e3f27e98fbb55c3 Mon Sep 17 00:00:00 2001 From: Craig Jennings Date: Thu, 14 Aug 2025 22:58:58 -0500 Subject: removing all downloaded devdocs files --- devdocs/c/program%2Fsig_strategies.html | 41 --------------------------------- 1 file changed, 41 deletions(-) delete mode 100644 devdocs/c/program%2Fsig_strategies.html (limited to 'devdocs/c/program%2Fsig_strategies.html') diff --git a/devdocs/c/program%2Fsig_strategies.html b/devdocs/c/program%2Fsig_strategies.html deleted file mode 100644 index f4a8f245..00000000 --- a/devdocs/c/program%2Fsig_strategies.html +++ /dev/null @@ -1,41 +0,0 @@ -

SIG_DFL, SIG_IGN

Defined in header <signal.h> 
#define SIG_DFL /*implementation defined*/
-		 
#define SIG_IGN /*implementation defined*/
-

The SIG_DFL and SIG_IGN macros expand into integral expressions that are not equal to an address of any function. The macros define signal handling strategies for signal() function.

- - - -
Constant Explanation
SIG_DFL default signal handling
SIG_IGN signal is ignored

Example

#include <signal.h>
-#include <stdio.h>
- 
-int main(void)
-{
-    /* using the default signal handler */
-    raise(SIGTERM);
-    printf("Exit main()\n");   /* never reached */
-}

Output:

-
(none)

Example

#include <signal.h>
-#include <stdio.h>
- 
-int main(void)
-{
-    /* ignoring the signal */
-    signal(SIGTERM, SIG_IGN);
-    raise(SIGTERM);
-    printf("Exit main()\n");
-}

Output:

-
Exit main()

References

See also

-
C++ documentation for SIG_DFL, SIG_IGN
-

- © cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
- https://en.cppreference.com/w/c/program/SIG_strategies -

-
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