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os-posix: Expand setrlimit() syscall compatibility 

Darwin uses a subtly different version of the setrlimit() syscall as
described in the COMPATIBILITY section of the macOS man page. The value
of the rlim_cur member has been adjusted accordingly for Darwin-based
systems.

Signed-off-by: Trent Huber <trentmhuber@gmail.com>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Trent Huber 2024-06-14 17:06:38 -04:00 committed by Michael Tokarev
parent 737308fe2b
commit de448e0f26
1 changed files with 4 additions and 0 deletions
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4
os-posix.c
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@ -270,7 +270,11 @@ void os_setup_limits(void)
return; return;
} }
#ifdef CONFIG_DARWIN
nofile.rlim_cur = OPEN_MAX < nofile.rlim_max ? OPEN_MAX : nofile.rlim_max;
#else
nofile.rlim_cur = nofile.rlim_max; nofile.rlim_cur = nofile.rlim_max;
#endif
if (setrlimit(RLIMIT_NOFILE, &nofile) < 0) { if (setrlimit(RLIMIT_NOFILE, &nofile) < 0) {
warn_report("unable to set NOFILE limit: %s", strerror(errno)); warn_report("unable to set NOFILE limit: %s", strerror(errno));