diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2005-10-30 09:10:10 +1100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2005-10-30 09:10:10 +1100 |
| commit | 39c80698ca5e6e74b4905215d6bf0537399aec19 (patch) | |
| tree | e368add1077ed84157de50a7d78c303d92430ff6 /src | |
| parent | [SYSTEM] Fixed fallback stpcpy implementation (diff) | |
| download | dash-39c80698ca5e6e74b4905215d6bf0537399aec19.tar.gz dash-39c80698ca5e6e74b4905215d6bf0537399aec19.zip | |
[JOBS] Fixed support for disabling job control
Since nobody has compiled with JOBS turned off for quite a while, it has bit-rotted. This patch makes it build again.
Diffstat (limited to 'src')
| -rw-r--r-- | src/jobs.c | 25 | ||||
| -rw-r--r-- | src/jobs.h | 2 |
2 files changed, 19 insertions, 8 deletions
diff --git a/src/jobs.c b/src/jobs.c index 158d4e4..0113354 100644 --- a/src/jobs.c +++ b/src/jobs.c @@ -82,19 +82,21 @@ static struct job *jobtab; static unsigned njobs; /* pid of last background process */ pid_t backgndpid; + #if JOBS /* pgrp of shell on invocation */ static int initialpgrp; +/* control terminal */ +static int ttyfd = -1; #endif + /* current job */ static struct job *curjob; -static int ttyfd = -1; /* number of presumed living untracked jobs */ static int jobless; STATIC void set_curjob(struct job *, unsigned); STATIC int jobno(const struct job *); -STATIC int restartjob(struct job *, int); STATIC int sprint_status(char *, int, int); STATIC void freejob(struct job *); STATIC struct job *getjob(const char *, int); @@ -111,9 +113,13 @@ STATIC void cmdtxt(union node *); STATIC void cmdlist(union node *, int); STATIC void cmdputs(const char *); STATIC void showpipe(struct job *, struct output *); -STATIC void xtcsetpgrp(int, pid_t); STATIC int getstatus(struct job *); +#if JOBS +static int restartjob(struct job *, int); +static void xtcsetpgrp(int, pid_t); +#endif + STATIC void set_curjob(struct job *jp, unsigned mode) { @@ -150,7 +156,7 @@ set_curjob(struct job *jp, unsigned mode) jpp = &jp1->prev_job; } while (1); /* FALLTHROUGH */ -#ifdef JOBS +#if JOBS case CUR_STOPPED: #endif /* newly stopped job - becomes curjob */ @@ -333,7 +339,7 @@ jobno(const struct job *jp) return jp - jobtab + 1; } -#ifdef JOBS +#if JOBS int fgcmd(int argc, char **argv) { @@ -827,7 +833,6 @@ STATIC inline void forkchild(struct job *jp, union node *n, int mode) { int oldlvl; - pid_t pgrp; TRACE(("Child shell %d\n", getpid())); oldlvl = shlvl; @@ -839,6 +844,8 @@ forkchild(struct job *jp, union node *n, int mode) /* do job control only in root shell */ jobctl = 0; if (mode != FORK_NOJOB && jp->jobctl && !oldlvl) { + pid_t pgrp; + if (jp->nprocs == 0) pgrp = getpid(); else @@ -1014,7 +1021,7 @@ dowait(int block, struct job *job) } if (sp->status == -1) state = JOBRUNNING; -#ifdef JOBS +#if JOBS if (state == JOBRUNNING) continue; if (WIFSTOPPED(sp->status)) { @@ -1037,7 +1044,7 @@ gotjob: if (thisjob->state != state) { TRACE(("Job %d: changing state from %d to %d\n", jobno(thisjob), thisjob->state, state)); thisjob->state = state; -#ifdef JOBS +#if JOBS if (state == JOBSTOPPED) { set_curjob(thisjob, CUR_STOPPED); } @@ -1454,12 +1461,14 @@ showpipe(struct job *jp, struct output *out) } +#if JOBS STATIC void xtcsetpgrp(int fd, pid_t pgrp) { if (tcsetpgrp(fd, pgrp)) sh_error("Cannot set tty process group (%s)", strerror(errno)); } +#endif STATIC int diff --git a/src/jobs.h b/src/jobs.h index 7978fe8..26e421d 100644 --- a/src/jobs.h +++ b/src/jobs.h @@ -87,6 +87,8 @@ extern pid_t backgndpid; /* pid of last background process */ extern int job_warning; /* user was warned about stopped jobs */ #if JOBS extern int jobctl; /* true if doing job control */ +#else +#define jobctl 0 #endif void setjobctl(int); |