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signal_handler: ignore next SIGPIPE signals

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We will end anyways and do not produce additional SIGPIPE on eventual output.
This commit is contained in:
Martin Pulec
2023-09-19 13:33:49 +02:00
parent b28feb62fe
commit afd0f217de
1 changed files with 9 additions and 4 deletions
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13
src/main.cpp
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@@ -174,17 +174,22 @@ struct state_uv {
static constexpr uint32_t state_magic = to_fourcc('U', 'G', 'S', 'T');
};
static void signal_handler(int signal)
static void signal_handler(int signum)
{
#ifdef SIGPIPE
if (signum == SIGPIPE) {
signal(SIGPIPE, SIG_IGN);
}
#endif // defined SIGPIPE
if (log_level >= LOG_LEVEL_VERBOSE) {
char buf[128];
char *ptr = buf;
char *ptr_end = buf + sizeof buf;
strappend(&ptr, ptr_end, "Caught signal ");
if (signal / 10) {
*ptr++ = '0' + signal/10;
if (signum / 10 != 0) {
*ptr++ = (char) ('0' + signum / 10);
}
*ptr++ = '0' + signal%10;
*ptr++ = (char) ('0' + signum % 10);
*ptr++ = '\n';
write_all(ptr - buf, buf);
}