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fix(userspace): workaround glibc bug that segfaults instead of returning EINVAL in timer_delete().

Browse Source 
See https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/1940296.

Signed-off-by: Federico Di Pierro <nierro92@gmail.com>
This commit is contained in:
Federico Di Pierro
2023-10-03 17:16:38 +02:00
parent f1dec8f444
commit 73dd4ba839
1 changed files with 9 additions and 2 deletions
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11
userspace/falco/stats_writer.cpp
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@@ -60,7 +60,10 @@ bool stats_writer::init_ticker(uint32_t interval_msec, std::string &err)
sev.sigev_value.sival_ptr = &s_timerid;
#ifndef __EMSCRIPTEN__
// delete any previously set timer
timer_delete(s_timerid);
if (s_timerid)
{
timer_delete(s_timerid);
}
if (timer_create(CLOCK_MONOTONIC, &sev, &s_timerid) == -1) {
err = std::string("Could not create periodic timer: ") + strerror(errno);
return false;
@@ -134,7 +137,11 @@ stats_writer::~stats_writer()
}
// delete timerID and reset timer
#ifndef __EMSCRIPTEN__
timer_delete(s_timerid);
if (s_timerid)
{
timer_delete(s_timerid);
s_timerid = nullptr;
}
#endif
}
}