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Add a safety check for compiletest rlimit

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This commit is contained in:
varkor 2018-08-09 19:40:49 +01:00
parent 6563803ed3
commit 82a704abe7
1 changed files with 9 additions and 7 deletions
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16
src/tools/compiletest/src/raise_fd_limit.rs
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@ -57,14 +57,16 @@ pub unsafe fn raise_fd_limit() {
panic!("raise_fd_limit: error calling getrlimit: {}", err);
}
// Bump the soft limit to the smaller of kern.maxfilesperproc and the hard
// limit
rlim.rlim_cur = cmp::min(maxfiles as libc::rlim_t, rlim.rlim_max);
// Make sure we're only ever going to increase the rlimit.
if rlim.rlim_cur < maxfiles as libc::rlim_t {
// Bump the soft limit to the smaller of kern.maxfilesperproc and the hard limit.
rlim.rlim_cur = cmp::min(maxfiles as libc::rlim_t, rlim.rlim_max);
// Set our newly-increased resource limit
if libc::setrlimit(libc::RLIMIT_NOFILE, &rlim) != 0 {
let err = io::Error::last_os_error();
panic!("raise_fd_limit: error calling setrlimit: {}", err);
// Set our newly-increased resource limit.
if libc::setrlimit(libc::RLIMIT_NOFILE, &rlim) != 0 {
let err = io::Error::last_os_error();
panic!("raise_fd_limit: error calling setrlimit: {}", err);
}
}
}