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posix: improve error out for mlockall() and pthread_create

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- add strerror
 - mlockall skipped in lockstep builds (ENABLE_LOCKSTEP_SCHEDULER)
This commit is contained in:
Daniel Agar
2020-12-27 12:43:32 -05:00
committed by GitHub
parent 48da0055a1
commit 092060cde2
2 changed files with 5 additions and 5 deletions
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platforms/posix/src/px4/common/main.cpp
+4 -4
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@@ -178,13 +178,13 @@ int main(int argc, char **argv)
return client.process_args(argc, (const char **)argv);
} else {
#if (_POSIX_MEMLOCK > 0)
#if (_POSIX_MEMLOCK > 0) && !defined(ENABLE_LOCKSTEP_SCHEDULER)
// try to lock address space into RAM, to avoid page swap delay
// TODO: Check CAP_IPC_LOCK instead of euid
if (geteuid() == 0) { // root user
if (mlockall(MCL_CURRENT) + mlockall(MCL_FUTURE)) { // check if both works
PX4_ERR("mlockall() failed! errno: %d", errno);
if (mlockall(MCL_CURRENT | MCL_FUTURE)) { // check if both works
PX4_ERR("mlockall() failed! errno: %d (%s)", errno, strerror(errno));
munlockall(); // avoid mlock limitation caused alloc failure in future
} else {
@@ -192,7 +192,7 @@ int main(int argc, char **argv)
}
}
#endif
#endif // (_POSIX_MEMLOCK > 0) && !ENABLE_LOCKSTEP_SCHEDULER
/* Server/daemon apps need to parse the command line arguments. */