ipc: declarations for signal macros

src/include/kernel/signal.h

@@ -0,0 +1,50 @@
+/*
+ * lux - a lightweight unix-like operating system
+ * Omar Elghoul, 2024
+ * 
+ * Core Microkernel
+ */
+
+#pragma once
+
+#include <sys/types.h>
+
+/* Signal Handler Macros */
+#define SIG_DFL         (void (*)(int))0
+#define SIG_ERR         (void (*)(int))1
+#define SIG_HOLD        (void (*)(int))2
+#define SIG_IGN         (void (*)(int))3
+
+/* ISO C Signals */
+#define SIGABRT         0
+#define SIGFPE          1
+#define SIGILL          2
+#define SIGINT          3
+#define SIGSEGV         4
+#define SIGTERM         5
+
+/* POSIX Extension Signals */
+#define SIGALRM         6
+#define SIGBUS          7
+#define SIGCHLD         8
+#define SIGCONT         9
+#define SIGHUP          10
+#define SIGKILL         11
+#define SIGPIPE         12
+#define SIGQUIT         13
+#define SIGSEGV         14
+#define SIGSTOP         15
+#define SIGTSTP         16
+#define SIGTTIN         17
+#define SIGTTOU         18
+#define SIGUSR1         19
+#define SIGUSR2         20
+#define SIGPOLL         21
+#define SIGSYS          22
+#define SIGTRAP         23
+#define SIGURG          24
+#define SIGVTALRM       25
+#define SIGXCPU         26
+#define SIGXFSZ         27
+
+typedef volatile uint32_t sig_atomic_t;