Revert "FROMLIST: Add pthread_sigqueue"

This reverts commit 0ee7f66d317584be155080902cb8e74bc5e06945.

pthread_sigqueue was only used by art/sigchainlib/sigchain_test.cc,
which has been switched to sigqueue.  Remove the non-upstream
pthread_sigqueue addition.

Bug: 188576657
Test: m USE_HOST_MUSL=true host-native
Change-Id: Ied8289cf8fbde94151d4e9711c0848b93eb725ca

3 files changed, 0 insertions, 24 deletions

diff --git a/include/signal.h b/include/signal.h
index b6711bc4..c347f861 100644
--- a/include/signal.h
+++ b/include/signal.h
@@ -229,7 +229,6 @@ int sigqueue(pid_t, int, union sigval);
 
 int pthread_sigmask(int, const sigset_t *__restrict, sigset_t *__restrict);
 int pthread_kill(pthread_t, int);
-int pthread_sigqueue(pthread_t, int, union sigval);
 
 void psiginfo(const siginfo_t *, const char *);
 void psignal(int, const char *);
diff --git a/sources.bp b/sources.bp
index 30e10321..dd9fbdab 100644
--- a/sources.bp
+++ b/sources.bp
@@ -1118,7 +1118,6 @@ cc_defaults {
         "src/thread/pthread_setschedprio.c",
         "src/thread/pthread_setspecific.c",
         "src/thread/pthread_sigmask.c",
-        "src/thread/pthread_sigqueue.c",
         "src/thread/pthread_spin_destroy.c",
         "src/thread/pthread_spin_init.c",
         "src/thread/pthread_spin_lock.c",
diff --git a/src/thread/pthread_sigqueue.c b/src/thread/pthread_sigqueue.c
deleted file mode 100644
index 9c347933..00000000
--- a/src/thread/pthread_sigqueue.c
+++ /dev/null
@@ -1,22 +0,0 @@
-#include <signal.h>
-#include <string.h>
-#include <unistd.h>
-#include "pthread_impl.h"
-#include "lock.h"
-
-int pthread_sigqueue(pthread_t t, int sig, const union sigval value)
-{
-	siginfo_t si;
-	int r;
-	memset(&si, 0, sizeof si);
-	si.si_signo = sig;
-	si.si_code = SI_QUEUE;
-	si.si_value = value;
-	si.si_uid = getuid();
-	si.si_pid = getpid();
-	LOCK(t->killlock);
-	r = t->tid ? -__syscall(SYS_rt_tgsigqueueinfo, si.si_pid, t->tid, sig, &si)
-		: (sig+0U >= _NSIG ? EINVAL : 0);
-	UNLOCK(t->killlock);
-	return r;
-}