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Modernize: use sigaction() whenever possible. Remove uses of common.

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bsd_signal() may not be defined, and there is really no reason to even
try to use it if sigaction() is avaiable; using sigaction() guarantees
the semantics we really want.

Replace uses of common variables with explicit instantiation and
extern declarations in a header file.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin 2024-05-29 15:34:57 -07:00
parent 9c0908a778
commit 1f4b33a1f7
9 changed files with 64 additions and 42 deletions
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4
tftp/main.c
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@ -305,7 +305,7 @@ int main(int argc, char *argv[])
sp->s_proto = (char *)"udp";
}
bsd_signal(SIGINT, intr);
tftp_signal(SIGINT, intr);
if (peerargc) {
/* Set peer */
@ -768,7 +768,7 @@ void intr(int sig)
{
(void)sig; /* Quiet unused warning */
bsd_signal(SIGALRM, SIG_IGN);
tftp_signal(SIGALRM, SIG_IGN);
alarm(0);
siglongjmp(toplevel, -1);
}