Libraries: Move to Userland/Libraries/

1 files changed, 109 insertions, 0 deletions

diff --git a/Userland/Libraries/LibC/signal.h b/Userland/Libraries/LibC/signal.h
new file mode 100644
index 0000000000..65c98603d4
--- /dev/null
+++ b/Userland/Libraries/LibC/signal.h
@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <signal_numbers.h>
+#include <sys/types.h>
+
+__BEGIN_DECLS
+
+typedef void (*__sighandler_t)(int);
+typedef __sighandler_t sighandler_t;
+
+typedef uint32_t sigset_t;
+typedef uint32_t sig_atomic_t;
+
+union sigval {
+    int sival_int;
+    void* sival_ptr;
+};
+
+typedef struct siginfo {
+    int si_signo;
+    int si_code;
+    pid_t si_pid;
+    uid_t si_uid;
+    void* si_addr;
+    int si_status;
+    union sigval si_value;
+} siginfo_t;
+
+struct sigaction {
+    union {
+        void (*sa_handler)(int);
+        void (*sa_sigaction)(int, siginfo_t*, void*);
+    };
+    sigset_t sa_mask;
+    int sa_flags;
+};
+
+int kill(pid_t, int sig);
+int killpg(int pgrp, int sig);
+sighandler_t signal(int sig, sighandler_t);
+int pthread_sigmask(int how, const sigset_t* set, sigset_t* ol_dset);
+int sigaction(int sig, const struct sigaction* act, struct sigaction* old_act);
+int sigemptyset(sigset_t*);
+int sigfillset(sigset_t*);
+int sigaddset(sigset_t*, int sig);
+int sigdelset(sigset_t*, int sig);
+int sigismember(const sigset_t*, int sig);
+int sigprocmask(int how, const sigset_t* set, sigset_t* old_set);
+int sigpending(sigset_t*);
+int sigsuspend(const sigset_t*);
+int raise(int sig);
+int getsignalbyname(const char*);
+const char* getsignalname(int);
+
+extern const char* sys_siglist[NSIG];
+
+#define SIG_DFL ((__sighandler_t)0)
+#define SIG_ERR ((__sighandler_t)-1)
+#define SIG_IGN ((__sighandler_t)1)
+
+#define SA_NOCLDSTOP 1
+#define SA_NOCLDWAIT 2
+#define SA_SIGINFO 4
+#define SA_ONSTACK 0x08000000
+#define SA_RESTART 0x10000000
+#define SA_NODEFER 0x40000000
+#define SA_RESETHAND 0x80000000
+
+#define SA_NOMASK SA_NODEFER
+#define SA_ONESHOT SA_RESETHAND
+
+#define SIG_BLOCK 0
+#define SIG_UNBLOCK 1
+#define SIG_SETMASK 2
+
+#define CLD_EXITED 0
+#define CLD_KILLED 1
+#define CLD_DUMPED 2
+#define CLD_TRAPPED 3
+#define CLD_STOPPED 4
+#define CLD_CONTINUED 5
+
+__END_DECLS