.
OBS-URL: https://build.opensuse.org/package/show/Base:System/bash?expand=0&rev=50
This commit is contained in:
Dr. Werner Fink
Git OBS Bridge
parent
78879c4f8a
commit
8bbd117c6f
@ -1,6 +1,15 @@
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--- execute_cmd.c
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+++ execute_cmd.c 2010-06-24 09:18:46.858925084 +0200
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@@ -1525,7 +1525,7 @@ static struct cpelement *cpl_search __P(
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+++ execute_cmd.c 2010-08-16 15:40:41.975126155 +0200
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@@ -256,6 +256,8 @@ int match_ignore_case = 0;
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struct stat SB; /* used for debugging */
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+extern void addjstatus(COMMAND *, int);
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+
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static int special_builtin_failed;
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static COMMAND *currently_executing_command;
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@@ -1525,7 +1527,7 @@ static struct cpelement *cpl_search __P(
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static struct cpelement *cpl_searchbyname __P((char *));
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static void cpl_prune __P((void));
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@ -9,7 +18,7 @@
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cplist_t coproc_list = {0, 0, 0};
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@@ -2047,13 +2047,19 @@ execute_coproc (command, pipe_in, pipe_o
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@@ -2047,13 +2049,19 @@ execute_coproc (command, pipe_in, pipe_o
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}
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#endif
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@ -30,14 +39,16 @@
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COMMAND *cmd;
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struct fd_bitmap *fd_bitmap;
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@@ -2148,11 +2154,37 @@ execute_pipeline (command, asynchronous,
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@@ -2148,15 +2156,52 @@ execute_pipeline (command, asynchronous,
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/* Now execute the rightmost command in the pipeline. */
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if (ignore_return && cmd)
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cmd->flags |= CMD_IGNORE_RETURN;
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+
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+ begin_unwind_frame ("pipe-file-descriptors");
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+ lstdin = -1;
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+ if (!asynchronous && pipe_out == NO_PIPE && prev > 0)
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+#if 1
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+ if (!asynchronous && pipe_out == NO_PIPE && prev > 0
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+ && cmd->type != cm_subshell && ((cmd->flags & CMD_WANT_SUBSHELL) == 0))
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+ {
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+ lstdin = move_to_high_fd(0, 0, 255);
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+ if (lstdin > 0)
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@ -45,10 +56,13 @@
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+ dup2(prev, 0);
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+ close(prev);
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+ prev = NO_PIPE;
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+ stop_pipeline (0, (COMMAND *)NULL);
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+ cmd->flags |= CMD_SYNC_PIPE;
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+ add_process((char*)0, getpid());
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+ stop_pipeline (0, cmd);
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+ add_unwind_protect (restore_stdin, lstdin);
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+ }
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+ }
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+#endif
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+ if (prev >= 0)
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+ add_unwind_protect (close, prev);
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+
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@ -68,3 +82,87 @@
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#if defined (JOB_CONTROL)
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UNBLOCK_CHILD (oset);
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#endif
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+ if (cmd->flags & CMD_SYNC_PIPE)
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+ {
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+ addjstatus(cmd, exec_result);
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+ cmd->flags &= ~CMD_SYNC_PIPE;
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+ }
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+
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QUIT;
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return (exec_result);
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}
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--- jobs.c
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+++ jobs.c 2010-08-16 15:48:19.479125702 +0200
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@@ -260,7 +260,6 @@ static int processes_in_job __P((int));
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static void realloc_jobs_list __P((void));
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static int compact_jobs_list __P((int));
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static int discard_pipeline __P((PROCESS *));
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-static void add_process __P((char *, pid_t));
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static void print_pipeline __P((PROCESS *, int, int, FILE *));
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static void pretty_print_job __P((int, int, FILE *));
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static void set_current_job __P((int));
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@@ -1065,7 +1064,7 @@ nohup_job (job_index)
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if (js.j_jobslots == 0)
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return;
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- if (temp = jobs[job_index])
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+ if ((temp = jobs[job_index]))
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temp->flags |= J_NOHUP;
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}
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@@ -1095,7 +1094,7 @@ discard_pipeline (chain)
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/* Add this process to the chain being built in the_pipeline.
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NAME is the command string that will be exec'ed later.
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PID is the process id of the child. */
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-static void
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+void
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add_process (name, pid)
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char *name;
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pid_t pid;
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@@ -3396,6 +3395,34 @@ setjstatus (j)
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#endif
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}
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+
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+void
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+addjstatus(COMMAND *deferred, int status)
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+{
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+#if defined (ARRAY_VARS)
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+ int i;
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+ JOB *j;
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+ for (j = jobs[(i = 0)]; j && j->deferred != deferred; j = jobs[(++i)])
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+ ;
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+ if (!j || !j->deferred)
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+ return;
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+ j->deferred = (COMMAND*)0;
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+ if (status)
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+ {
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+ PROCESS *p, *l;
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+ p = j->pipe;
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+ do
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+ {
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+ l = p;
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+ p = p->next;
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+ }
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+ while (p != j->pipe);
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+ l->status = status << 8;
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+ }
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+ setjstatus(i);
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+#endif
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+}
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+
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void
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run_sigchld_trap (nchild)
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int nchild;
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--- jobs.h
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+++ jobs.h 2010-08-16 15:47:22.463125472 +0200
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@@ -177,6 +177,8 @@ extern void save_pipeline __P((int));
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extern void restore_pipeline __P((int));
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extern void start_pipeline __P((void));
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extern int stop_pipeline __P((int, COMMAND *));
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+extern void add_process __P((char *, pid_t));
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+extern void addjstatus __P((COMMAND *, int));
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extern void delete_job __P((int, int));
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extern void nohup_job __P((int));
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@ -1,3 +1,9 @@
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-------------------------------------------------------------------
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Mon Aug 16 15:50:43 CEST 2010 - werner@suse.de
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- A modified version of the pipe patch which should handle
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the PIPESTATUS array
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-------------------------------------------------------------------
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Fri Aug 13 14:19:02 CEST 2010 - werner@suse.de
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