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configure.ac: Improve C99 compatibility of IPC_RMID check

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Do not call the undeclared exit function.  Implicit function
declarations are likely not going to be supported by future compilers
by default, changing the outcome of this configure probe with
such compilers.
This commit is contained in:
Florian Weimer 2023-01-13 13:29:07 +01:00 committed by Jehan
parent e7c9b9d073
commit 99531e73e9
1 changed files with 3 additions and 3 deletions
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6
configure.ac
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@ -1254,17 +1254,17 @@ elif test "x$shmtype" = "xsysv"; then
char *shmaddr;
id = shmget (IPC_PRIVATE, 4, IPC_CREAT | 0600);
if (id == -1)
exit (2);
return 2;
shmaddr = shmat (id, 0, 0);
shmctl (id, IPC_RMID, 0);
if ((char*) shmat (id, 0, 0) == (char*) -1)
{
shmdt (shmaddr);
exit (1);
return 1;
}
shmdt (shmaddr);
shmdt (shmaddr);
exit (0);
return 0;
}
]])],
[AC_DEFINE([IPC_RMID_DEFERRED_RELEASE],[1],