You should have received a copy of the GNU General Public License along
with Bash; see the file COPYING. If not, write to the Free Software
- Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
-#if !defined (__JOBS_H__)
-# define __JOBS_H__
+#if !defined (_JOBS_H_)
+# define _JOBS_H_
#include "quit.h"
#include "siglist.h"
#include "stdc.h"
+#include "posixwait.h"
+
/* Defines controlling the fashion in which jobs are listed. */
-#define JLIST_STANDARD 0
-#define JLIST_LONG 1
-#define JLIST_PID_ONLY 2
-#define JLIST_CHANGED_ONLY 3
-
-#if defined (HAVE_WAIT_H)
-# include <sys/wait.h>
-#else /* !HAVE_WAIT_H */
-
-# include "bash_endian.h"
-
-# if !defined (_POSIX_VERSION)
-# if defined (LITTLE_ENDIAN)
-union wait
- {
- int w_status; /* used in syscall */
-
- /* Terminated process status. */
- struct
- {
- unsigned short
- w_Termsig : 7, /* termination signal */
- w_Coredump : 1, /* core dump indicator */
- w_Retcode : 8, /* exit code if w_termsig==0 */
- w_Fill1 : 16; /* high 16 bits unused */
- } w_T;
-
- /* Stopped process status. Returned
- only for traced children unless requested
- with the WUNTRACED option bit. */
- struct
- {
- unsigned short
- w_Stopval : 8, /* == W_STOPPED if stopped */
- w_Stopsig : 8, /* actually zero on XENIX */
- w_Fill2 : 16; /* high 16 bits unused */
- } w_S;
- };
-
-# else /* !LITTLE_ENDIAN */
-
-/* This is for big-endian machines like the IBM RT, HP 9000, or Sun-3 */
-
-union wait
- {
- int w_status; /* used in syscall */
-
- /* Terminated process status. */
- struct
- {
- unsigned short w_Fill1 : 16; /* high 16 bits unused */
- unsigned w_Retcode : 8; /* exit code if w_termsig==0 */
- unsigned w_Coredump : 1; /* core dump indicator */
- unsigned w_Termsig : 7; /* termination signal */
- } w_T;
-
- /* Stopped process status. Returned
- only for traced children unless requested
- with the WUNTRACED option bit. */
- struct
- {
- unsigned short w_Fill2 : 16; /* high 16 bits unused */
- unsigned w_Stopsig : 8; /* signal that stopped us */
- unsigned w_Stopval : 8; /* == W_STOPPED if stopped */
- } w_S;
- };
-
-# endif /* !LITTLE_ENDIAN */
-
-# define w_termsig w_T.w_Termsig
-# define w_coredump w_T.w_Coredump
-# define w_retcode w_T.w_Retcode
-# define w_stopval w_S.w_Stopval
-# define w_stopsig w_S.w_Stopsig
-
-/* Note that sys/wait.h defines these for Posix systems. */
-# define WSTOPPED 0177
-# define WIFSTOPPED(x) (((x) . w_stopval) == WSTOPPED)
-# define WIFEXITED(x) ((! (WIFSTOPPED (x))) && (((x) . w_termsig) == 0))
-# define WIFSIGNALED(x) ((! (WIFSTOPPED (x))) && (((x) . w_termsig) != 0))
-# endif /* !_POSIX_VERSION */
-#endif /* !HAVE_WAIT_H */
-
-/* How to get the status of a job. For Posix, this is just an
- int, but for other systems we have to crack the union wait. */
-#if !defined (_POSIX_VERSION)
-# define pid_t int
-typedef union wait WAIT;
-# define WSTATUS(t) (t.w_status)
-#else /* _POSIX_VERSION */
-typedef int WAIT;
-# define WSTATUS(t) (t)
-#endif /* _POSIX_VERSION */
-
-/* Make sure that parameters to wait3 are defined. */
-#if !defined (WNOHANG)
-# define WNOHANG 1
-# define WUNTRACED 2
-#endif /* WNOHANG */
-
-/* More Posix P1003.1 definitions. In the POSIX versions, the parameter is
- passed as an `int', in the non-POSIX version, as `union wait'. */
-#if defined (_POSIX_VERSION)
-
-# if !defined (WSTOPSIG)
-# define WSTOPSIG(s) ((s) >> 8)
-# endif /* !WSTOPSIG */
-
-# if !defined (WTERMSIG)
-# define WTERMSIG(s) ((s) & 0177)
-# endif /* !WTERMSIG */
-
-# if !defined (WEXITSTATUS)
-# define WEXITSTATUS(s) ((s) >> 8)
-# endif /* !WEXITSTATUS */
-
-# if !defined (WIFSTOPPED)
-# define WIFSTOPPED(s) (((s) & 0177) == 0177)
-# endif /* !WIFSTOPPED */
-
-# if !defined (WIFEXITED)
-# define WIFEXITED(s) (((s) & 0377) == 0)
-# endif /* !WIFEXITED */
-
-# if !defined (WIFSIGNALED)
-# define WIFSIGNALED(s) (!WIFSTOPPED(s) && !WIFEXITED(s))
-# endif /* !WIFSIGNALED */
-
-# if !defined (WIFCORED)
-# define WIFCORED(s) ((s) & 0200)
-# endif /* !WIFCORED */
-
-#else /* !_POSIX_VERSION */
-
-# if !defined (WSTOPSIG)
-# define WSTOPSIG(s) ((s).w_stopsig)
-# endif /* !WSTOPSIG */
-
-# if !defined (WTERMSIG)
-# define WTERMSIG(s) ((s).w_termsig)
-# endif /* !WTERMSIG */
-
-# if !defined (WEXITSTATUS)
-# define WEXITSTATUS(s) ((s).w_retcode)
-# endif /* !WEXITSTATUS */
-
-# if !defined (WIFCORED)
-# define WIFCORED(s) ((s).w_coredump)
-# endif /* !WIFCORED */
-
-#endif /* !_POSIX_VERSION */
+#define JLIST_STANDARD 0
+#define JLIST_LONG 1
+#define JLIST_PID_ONLY 2
+#define JLIST_CHANGED_ONLY 3
+#define JLIST_NONINTERACTIVE 4
/* I looked it up. For pretty_print_job (). The real answer is 24. */
#define LONGEST_SIGNAL_DESC 24
typedef enum { JRUNNING, JSTOPPED, JDEAD, JMIXED } JOB_STATE;
#define JOBSTATE(job) (jobs[(job)]->state)
+#define STOPPED(j) (jobs[(j)]->state == JSTOPPED)
+#define RUNNING(j) (jobs[(j)]->state == JRUNNING)
+#define DEADJOB(j) (jobs[(j)]->state == JDEAD)
+
/* Values for the FLAGS field in the JOB struct below. */
#define J_FOREGROUND 0x01 /* Non-zero if this is running in the foreground. */
#define J_NOTIFIED 0x02 /* Non-zero if already notified about job state. */
#define J_JOBCONTROL 0x04 /* Non-zero if this job started under job control. */
+#define J_NOHUP 0x08 /* Don't send SIGHUP to job if shell gets SIGHUP. */
+
+#define IS_FOREGROUND(j) ((jobs[j]->flags & J_FOREGROUND) != 0)
+#define IS_NOTIFIED(j) ((jobs[j]->flags & J_NOTIFIED) != 0)
+#define IS_JOBCONTROL(j) ((jobs[j]->flags & J_JOBCONTROL) != 0)
typedef struct job {
char *wd; /* The working directory at time of invocation. */
int flags; /* Flags word: J_NOTIFIED, J_FOREGROUND, or J_JOBCONTROL. */
#if defined (JOB_CONTROL)
COMMAND *deferred; /* Commands that will execute when this job is done. */
+ VFunction *j_cleanup; /* Cleanup function to call when job marked JDEAD */
+ PTR_T cleanarg; /* Argument passed to (*j_cleanup)() */
#endif /* JOB_CONTROL */
} JOB;
/* A value which cannot be a process ID. */
#define NO_PID (pid_t)-1
-#if !defined (_POSIX_VERSION) && !defined (sigmask)
-# define sigmask(x) (1 << ((x)-1))
-#endif /* !POSIX && !sigmask */
-
-#if !defined (SIGABRT)
-# define SIGABRT SIGIOT
-#endif /* !SIGABRT */
-
-#if !defined (SIGCHLD)
-# define SIGCHLD SIGCLD
-#endif /* !SIGCHLD */
-
-#if !defined (_POSIX_VERSION)
-# if !defined (SIG_BLOCK)
-# define SIG_BLOCK 2
-# define SIG_SETMASK 3
-# endif /* SIG_BLOCK */
-
-/* Type of a signal set. */
-# define sigset_t int
-
-/* Make sure there is nothing inside the signal set. */
-# define sigemptyset(set) (*(set) = 0)
-
-/* Initialize the signal set to hold all signals. */
-# define sigfillset(set) (*set) = sigmask (NSIG) - 1
-
-/* Add SIG to the contents of SET. */
-# define sigaddset(set, sig) *(set) |= sigmask (sig)
-
-/* Delete SIG from signal set SET. */
-# define sigdelset(set, sig) *(set) &= ~sigmask (sig)
-
-/* Is SIG a member of the signal set SET? */
-# define sigismember(set, sig) ((*(set) & sigmask (sig)) != 0)
-
-/* Suspend the process until the reception of one of the signals
- not present in SET. */
-# define sigsuspend(set) sigpause (*(set))
-#endif /* !_POSIX_VERSION */
-
-/* These definitions are used both in POSIX and non-POSIX implementations. */
-
-#define BLOCK_SIGNAL(sig, nvar, ovar) \
- sigemptyset (&nvar); \
- sigaddset (&nvar, sig); \
- sigemptyset (&ovar); \
- sigprocmask (SIG_BLOCK, &nvar, &ovar)
-
-#if defined (_POSIX_VERSION)
-# define BLOCK_CHILD(nvar, ovar) \
- BLOCK_SIGNAL (SIGCHLD, nvar, ovar)
-# define UNBLOCK_CHILD(ovar) \
- sigprocmask (SIG_SETMASK, &ovar, (sigset_t *) NULL)
-#else /* !_POSIX_VERSION */
-# define BLOCK_CHILD(nvar, ovar) ovar = sigblock (sigmask (SIGCHLD))
-# define UNBLOCK_CHILD(ovar) sigsetmask (ovar)
-#endif /* !_POSIX_VERSION */
-
/* System calls. */
-#if !defined (SunOS5) && !defined (USGr4_2) && !defined (__BSD_4_4__)
+#if !defined (HAVE_UNISTD_H)
extern pid_t fork (), getpid (), getpgrp ();
-#endif /* !SunOS5 && !USGr4_2 && !__BSD_4_4__ */
+#endif /* !HAVE_UNISTD_H */
/* Stuff from the jobs.c file. */
-extern pid_t original_pgrp, shell_pgrp, pipeline_pgrp;
+extern pid_t original_pgrp, shell_pgrp, pipeline_pgrp;
extern pid_t last_made_pid, last_asynchronous_pid;
extern int current_job, previous_job;
extern int asynchronous_notification;
extern void making_children __P((void));
extern void stop_making_children __P((void));
extern void cleanup_the_pipeline __P((void));
+extern void save_pipeline __P((int));
+extern void restore_pipeline __P((int));
extern void start_pipeline __P((void));
extern int stop_pipeline __P((int, COMMAND *));
-extern void delete_job __P((int));
+
+extern void delete_job __P((int, int));
+extern void nohup_job __P((int));
+extern void delete_all_jobs __P((int));
+extern void nohup_all_jobs __P((int));
+
+extern int count_all_jobs __P((void));
extern void terminate_current_pipeline __P((void));
extern void terminate_stopped_jobs __P((void));
extern void kill_current_pipeline __P((void));
#if defined (__STDC__) && defined (pid_t)
+extern int get_job_by_pid __P((int, int));
extern void describe_pid __P((int));
#else
+extern int get_job_by_pid __P((pid_t, int));
extern void describe_pid __P((pid_t));
#endif
-extern int list_one_job __P((JOB *, int, int, int));
-extern void list_jobs __P((int));
+extern void list_one_job __P((JOB *, int, int, int));
+extern void list_all_jobs __P((int));
+extern void list_stopped_jobs __P((int));
+extern void list_running_jobs __P((int));
extern pid_t make_child __P((char *, int));
+
extern int get_tty_state __P((void));
extern int set_tty_state __P((void));
extern void reap_dead_jobs __P((void));
extern int start_job __P((int, int));
extern int kill_pid __P((pid_t, int, int));
-extern int initialize_jobs __P((void));
+extern int initialize_job_control __P((int));
extern void initialize_job_signals __P((void));
-extern int give_terminal_to __P((pid_t));
+extern int give_terminal_to __P((pid_t, int));
+
+extern void set_sigwinch_handler __P((void));
+extern void unset_sigwinch_handler __P((void));
+extern void unfreeze_jobs_list __P((void));
extern int set_job_control __P((int));
extern void without_job_control __P((void));
extern void end_job_control __P((void));
extern void restart_job_control __P((void));
extern void set_sigchld_handler __P((void));
+extern void ignore_tty_job_signals __P((void));
+extern void default_tty_job_signals __P((void));
#if defined (JOB_CONTROL)
extern int job_control;
#endif
-#endif /* __JOBS_H__ */
+#endif /* _JOBS_H_ */
projects / platform / upstream / bash.git / blobdiff