diff options
Diffstat (limited to 'bits')
| -rw-r--r-- | bits/signum.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/bits/signum.h b/bits/signum.h index a07a9b4bd7..e6deefdb00 100644 --- a/bits/signum.h +++ b/bits/signum.h @@ -28,9 +28,13 @@ # define SIG_HOLD ((__sighandler_t) 2) /* Add signal to hold mask. */ #endif -/* We define here all the signal names listed in POSIX (1003.1-2008). +/* We define here all the signal names listed in POSIX (1003.1-2008); + as of 1003.1-2013, no additional signals have been added by POSIX. + We also define here signal names that historically exist in every + real-world POSIX variant (e.g. SIGWINCH). + Signals in the 1-15 range are defined with their historical numbers. - For other signals specified by POSIX, we use the BSD numbers. */ + For other signals, we use the BSD numbers. */ /* ISO C99 signals. */ #define SIGINT 2 /* Interactive attention signal. */ @@ -50,7 +54,7 @@ #define SIGPIPE 13 /* Broken pipe. */ #define SIGALRM 14 /* Alarm clock. */ -/* New(er) POSIX signals (1003.1-2008). */ +/* New(er) POSIX signals (1003.1-2008, 1003.1-2013). */ #define SIGURG 16 /* High bandwidth data is available at a socket. */ #define SIGSTOP 17 /* Stopped (signal). */ #define SIGTSTP 18 /* Stopped. */ @@ -67,10 +71,14 @@ #define SIGUSR1 30 /* User-defined signal 1. */ #define SIGUSR2 31 /* User-defined signal 2. */ +/* Nonstandard signals found in all modern POSIX systems + (including both BSD and Linux). */ +#define SIGWINCH 28 /* Window size change (4.3 BSD, Sun). */ + #define _NSIG 32 /* Archaic names for compatibility. */ -#define SIGIOT SIGABRT /* IOT instruction, abort() on a PDP11 */ +#define SIGIOT SIGABRT /* IOT instruction, abort() on a PDP-11. */ #define SIGCLD SIGCHLD /* Old System V name */ #endif /* <signal.h> included. */ |