comparison gcc/testsuite/gcc.dg/analyzer/signal-exit.c @ 152:2b5abeee2509

update gcc11
author anatofuz
date Mon, 25 May 2020 07:50:57 +0900
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145:1830386684a0 152:2b5abeee2509
1 /* Example of a bad call within a signal handler with replacement
2 alternative. 'handler' calls 'exit', and 'exit' is not allowed
3 from a signal handler. But '_exit' is allowed. */
4
5 #include <signal.h>
6 #include <stdlib.h>
7
8 extern void body_of_program(void);
9
10 static void handler(int signum)
11 {
12 exit(1); /* { dg-warning "call to 'exit' from within signal handler" "warning" } */
13 /* { dg-message "note: '_exit' is a possible signal-safe alternative for 'exit'" "replacement note" { target *-*-* } .-1 } */
14 }
15
16 int main(int argc, const char *argv)
17 {
18 signal(SIGINT, handler); /* { dg-message "registering 'handler' as signal handler" } */
19
20 body_of_program();
21
22 return 0;
23 }