#define SIGHUP 1 /* Hangup (POSIX). */
#define SIGINT 2 /* Interrupt (ANSI). */
#define SIGQUIT 3 /* Quit (POSIX). */
-#define SIGILL 4 /* Illegal instruction (ANSI). */
-#define SIGTRAP 5 /* Trace trap (POSIX). */
-#define SIGIOT 6 /* IOT trap (4.2 BSD). */
-#define SIGABRT SIGIOT /* Abort (ANSI). */
+#define SIGILL 4 /* Illegal instruction (ANSI). */
+#define SIGTRAP 5 /* Trace trap (POSIX). */
+#define SIGIOT 6 /* IOT trap (4.2 BSD). */
+#define SIGABRT SIGIOT /* Abort (ANSI). */
#define SIGEMT 7
#define SIGFPE 8 /* Floating-point exception (ANSI). */
#define SIGKILL 9 /* Kill, unblockable (POSIX). */
-#define SIGBUS 10 /* BUS error (4.2 BSD). */
+#define SIGBUS 10 /* BUS error (4.2 BSD). */
#define SIGSEGV 11 /* Segmentation violation (ANSI). */
#define SIGSYS 12
-#define SIGPIPE 13 /* Broken pipe (POSIX). */
-#define SIGALRM 14 /* Alarm clock (POSIX). */
-#define SIGTERM 15 /* Termination (ANSI). */
+#define SIGPIPE 13 /* Broken pipe (POSIX). */
+#define SIGALRM 14 /* Alarm clock (POSIX). */
+#define SIGTERM 15 /* Termination (ANSI). */
#define SIGUSR1 16 /* User-defined signal 1 (POSIX). */
#define SIGUSR2 17 /* User-defined signal 2 (POSIX). */
#define SIGCHLD 18 /* Child status has changed (POSIX). */
-#define SIGCLD SIGCHLD /* Same as SIGCHLD (System V). */
+#define SIGCLD SIGCHLD /* Same as SIGCHLD (System V). */
#define SIGPWR 19 /* Power failure restart (System V). */
#define SIGWINCH 20 /* Window size change (4.3 BSD, Sun). */
#define SIGURG 21 /* Urgent condition on socket (4.2 BSD). */
-#define SIGIO 22 /* I/O now possible (4.2 BSD). */
-#define SIGPOLL SIGIO /* Pollable event occurred (System V). */
+#define SIGIO 22 /* I/O now possible (4.2 BSD). */
+#define SIGPOLL SIGIO /* Pollable event occurred (System V). */
#define SIGSTOP 23 /* Stop, unblockable (POSIX). */
#define SIGTSTP 24 /* Keyboard stop (POSIX). */
#define SIGCONT 25 /* Continue (POSIX). */
#define SIGVTALRM 28 /* Virtual alarm clock (4.2 BSD). */
#define SIGPROF 29 /* Profiling alarm clock (4.2 BSD). */
#define SIGXCPU 30 /* CPU limit exceeded (4.2 BSD). */
-#define SIGXFSZ 31 /* File size limit exceeded (4.2 BSD). */
+#define SIGXFSZ 31 /* File size limit exceeded (4.2 BSD). */
/* These should not be considered constants from userland. */
#define SIGRTMIN 32
*
* SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
* Unix names RESETHAND and NODEFER respectively.
+ *
+ * SA_RESTORER used to be defined as 0x04000000 but only the O32 ABI ever
+ * supported its use and no libc was using it, so the entire sa-restorer
+ * functionality was removed with lmo commit 39bffc12c3580ab for 2.5.48
+ * retaining only the SA_RESTORER definition as a reminder to avoid
+ * accidental reuse of the mask bit.
*/
#define SA_ONSTACK 0x08000000
#define SA_RESETHAND 0x80000000
#define SA_NOMASK SA_NODEFER
#define SA_ONESHOT SA_RESETHAND
-#define SA_RESTORER 0x04000000 /* Only for o32 */
-
#define MINSIGSTKSZ 2048
#define SIGSTKSZ 8192