diff options
Diffstat (limited to 'quit.h')
| -rw-r--r-- | quit.h | 34 |
1 files changed, 30 insertions, 4 deletions
@@ -1,6 +1,6 @@ /* quit.h -- How to handle SIGINT gracefully. */ -/* Copyright (C) 1993-2009 Free Software Foundation, Inc. +/* Copyright (C) 1993-2013 Free Software Foundation, Inc. This file is part of GNU Bash, the Bourne Again SHell. @@ -21,9 +21,11 @@ #if !defined (_QUIT_H_) #define _QUIT_H_ -/* Non-zero means SIGINT has already ocurred. */ -extern volatile int interrupt_state; -extern volatile int terminating_signal; +#include "sig.h" /* for sig_atomic_t */ + +/* Non-zero means SIGINT has already occurred. */ +extern volatile sig_atomic_t interrupt_state; +extern volatile sig_atomic_t terminating_signal; /* Macro to call a great deal. SIGINT just sets the interrupt_state variable. When it is safe, put QUIT in the code, and the "interrupt" will take @@ -36,6 +38,12 @@ extern volatile int terminating_signal; if (interrupt_state) throw_to_top_level (); \ } while (0) +#define CHECK_ALRM \ + do { \ + if (sigalrm_seen) \ + longjmp (alrmbuf, 1); \ + } while (0) + #define SETINTERRUPT interrupt_state = 1 #define CLRINTERRUPT interrupt_state = 0 @@ -50,4 +58,22 @@ extern volatile int terminating_signal; if (terminating_signal) termsig_handler (terminating_signal); \ } while (0) +#define LASTSIG() \ + (terminating_signal ? terminating_signal : (interrupt_state ? SIGINT : 0)) + +#define CHECK_WAIT_INTR \ + do { \ + if (wait_signal_received && this_shell_builtin && (this_shell_builtin == wait_builtin)) \ + longjmp (wait_intr_buf, 1); \ + } while (0) + +#define RESET_SIGTERM \ + do { \ + sigterm_received = 0; \ + } while (0) + +#define CHECK_SIGTERM \ + do { \ + if (sigterm_received) termsig_handler (SIGTERM); \ + } while (0) #endif /* _QUIT_H_ */ |