diff options
| -rw-r--r-- | lib/std/os/bits/darwin.zig | 3 | ||||
| -rw-r--r-- | src/main.zig | 8 |
2 files changed, 11 insertions, 0 deletions
diff --git a/lib/std/os/bits/darwin.zig b/lib/std/os/bits/darwin.zig index a30d11fcd1..3e4149decd 100644 --- a/lib/std/os/bits/darwin.zig +++ b/lib/std/os/bits/darwin.zig @@ -1475,6 +1475,9 @@ pub const CLOCK_UPTIME_RAW_APPROX = 9; pub const CLOCK_PROCESS_CPUTIME_ID = 12; pub const CLOCK_THREAD_CPUTIME_ID = 16; +/// Max open files per process +/// https://opensource.apple.com/source/xnu/xnu-4903.221.2/bsd/sys/syslimits.h.auto.html +pub const OPEN_MAX = 10240; pub const RUSAGE_SELF = 0; pub const RUSAGE_CHILDREN = -1; diff --git a/src/main.zig b/src/main.zig index 551f168683..90a0aba460 100644 --- a/src/main.zig +++ b/src/main.zig @@ -2986,6 +2986,14 @@ fn gimmeMoreOfThoseSweetSweetFileDescriptors() void { const posix = std.os; var lim = posix.getrlimit(.NOFILE) catch return; // Oh well; we tried. + if (std.Target.current.isDarwin()) { + // On Darwin, `NOFILE` is bounded by a hardcoded value `OPEN_MAX`. + // According to the man pages for setrlimit(): + // setrlimit() now returns with errno set to EINVAL in places that historically succeeded. + // It no longer accepts "rlim_cur = RLIM_INFINITY" for RLIM_NOFILE. + // Use "rlim_cur = min(OPEN_MAX, rlim_max)". + lim.max = std.math.min(posix.darwin.OPEN_MAX, lim.max); + } if (lim.cur == lim.max) return; // Do a binary search for the limit. |