diff options
| -rw-r--r-- | shell/ash.c | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/shell/ash.c b/shell/ash.c index a317d00..9a4448f 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -474,7 +474,7 @@ raise_exception(int e) #endif /* - * Called from trap.c when a SIGINT is received. (If the user specifies + * Called when a SIGINT is received. (If the user specifies * that SIGINT is to be trapped or ignored using the trap builtin, then * this routine is not called.) Suppressint is nonzero when interrupts * are held using the INT_OFF macro. (The test for iflag is just @@ -3357,8 +3357,6 @@ unaliascmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) #endif /* ASH_ALIAS */ -/* ============ jobs.c */ - /* Mode argument to forkshell. Don't change FORK_FG or FORK_BG. */ #define FORK_FG 0 #define FORK_BG 1 @@ -8161,8 +8159,6 @@ commandcmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) #endif -/* ============ eval.c */ - static int funcblocksize; /* size of structures in function */ static int funcstringsize; /* size of strings in node */ static void *funcblock; /* block to allocate function from */ @@ -12745,8 +12741,6 @@ find_command(char *name, struct cmdentry *entry, int act, const char *path) } -/* ============ trap.c */ - /* * The trap builtin. */ @@ -13172,15 +13166,10 @@ exitshell(void) #if ENABLE_FEATURE_EDITING_SAVE_ON_EXIT save_history(line_input_state); #endif - status = exitstatus; TRACE(("pid %d, exitshell(%d)\n", getpid(), status)); if (setjmp(loc.loc)) { if (exception_type == EXEXIT) -/* dash bug: it just does _exit(exitstatus) here - * but we have to do setjobctl(0) first! - * (bug is still not fixed in dash-0.5.3 - if you run dash - * under Midnight Commander, on exit from dash MC is backgrounded) */ status = exitstatus; goto out; } @@ -13190,10 +13179,13 @@ exitshell(void) trap[0] = NULL; evalskip = 0; evalstring(p, 0); - free(p); + /*free(p); - we'll exit soon */ } flush_stdout_stderr(); out: + /* dash wraps setjobctl(0) in "if (setjmp(loc.loc) == 0) {...}". + * our setjobctl(0) does not panic if tcsetpgrp fails inside it. + */ setjobctl(0); _exit(status); /* NOTREACHED */ @@ -13202,18 +13194,15 @@ exitshell(void) static void init(void) { - /* from input.c: */ /* we will never free this */ basepf.next_to_pgetc = basepf.buf = ckmalloc(IBUFSIZ); - /* from trap.c: */ signal(SIGCHLD, SIG_DFL); /* bash re-enables SIGHUP which is SIG_IGNed on entry. * Try: "trap '' HUP; bash; echo RET" and type "kill -HUP $$" */ signal(SIGHUP, SIG_DFL); - /* from var.c: */ { char **envp; const char *p; |