Add sigqueue

yshui · tgross35 · commit 00d08b798449 · 2025-09-22T20:15:38.000-05:00
(backport <rust-lang#4620>) (cherry picked from commit 8c2810a)
diff --git a/libc-test/semver/aix.txt b/libc-test/semver/aix.txt
@@ -2473,6 +2473,7 @@ sigismember
 signal
 sigpending
 sigprocmask
+sigqueue
 sigset_t
 sigsuspend
 sigtimedwait
diff --git a/libc-test/semver/android.txt b/libc-test/semver/android.txt
@@ -3985,6 +3985,7 @@ signalfd
 signalfd_siginfo
 sigpending
 sigprocmask
+sigqueue
 sigset64_t
 sigset_t
 sigsuspend
diff --git a/libc-test/semver/cygwin.txt b/libc-test/semver/cygwin.txt
@@ -844,6 +844,7 @@ settimeofday
 sigaltstack
 sigevent
 siginfo_t
+sigqueue
 sigsuspend
 sigtimedwait
 sigwait
diff --git a/libc-test/semver/freebsd.txt b/libc-test/semver/freebsd.txt
@@ -2376,6 +2376,7 @@ shmid_ds
 sigaltstack
 sigevent
 siginfo_t
+sigqueue
 sigsuspend
 sigtimedwait
 sigwait
diff --git a/libc-test/semver/linux.txt b/libc-test/semver/linux.txt
@@ -4298,6 +4298,7 @@ sigevent
 siginfo_t
 signalfd
 signalfd_siginfo
+sigqueue
 sigsuspend
 sigtimedwait
 sigwait
diff --git a/libc-test/semver/netbsd.txt b/libc-test/semver/netbsd.txt
@@ -1599,6 +1599,7 @@ shmid_ds
 sigaltstack
 sigevent
 siginfo_t
+sigqueue
 sigsuspend
 sigtimedwait
 sigwait
diff --git a/libc-test/semver/redox.txt b/libc-test/semver/redox.txt
@@ -307,6 +307,7 @@ setgrent
 setpwent
 setrlimit
 setservent
+sigqueue
 sigtimedwait
 sigwait
 strcasecmp
diff --git a/libc-test/semver/solarish.txt b/libc-test/semver/solarish.txt
@@ -75,5 +75,6 @@ posix_spawnattr_setsigmask
 posix_spawnp
 recvmsg
 sendmsg
+sigqueue
 strftime
 strftime_l
diff --git a/src/unix/mod.rs b/src/unix/mod.rs
@@ -1661,6 +1661,20 @@ cfg_if! {
     }
 }
 
+cfg_if! {
+    if #[cfg(not(any(
+        target_os = "dragonfly",
+        target_os = "emscripten",
+        target_os = "hurd",
+        target_os = "macos",
+        target_os = "openbsd",
+    )))] {
+        extern "C" {
+            pub fn sigqueue(pid: pid_t, sig: c_int, value: crate::sigval) -> c_int;
+        }
+    }
+}
+
 cfg_if! {
     if #[cfg(not(target_os = "android"))] {
         extern "C" {
