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* spawn.cc (spawn_guts): Perform same "cd" as in pinfo::exit below to make sure 

that a stub process does not keep the current working directory busy after the
"execed" process has exited.
This commit is contained in:
Christopher Faylor 2005-01-22 21:47:04 +00:00
parent 9a0b76dced
commit c75e4f09ec
3 changed files with 24 additions and 11 deletions
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6
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,9 @@
2005-01-22 Christopher Faylor <cgf@timesys.com>
* spawn.cc (spawn_guts): Perform same "cd" as in pinfo::exit below to
make sure that a stub process does not keep the current working
directory busy after the "execed" process has exited.
2005-01-22 Christopher Faylor <cgf@timesys.com> 2005-01-22 Christopher Faylor <cgf@timesys.com>
* pinfo.cc (pinfo::init): Move everything but the MapViewOfFileEx out * pinfo.cc (pinfo::init): Move everything but the MapViewOfFileEx out

16
winsup/cygwin/pinfo.cc
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@ -138,18 +138,20 @@ pinfo::exit (DWORD n)
fill_rusage (&r, hMainProc); fill_rusage (&r, hMainProc);
add_rusage (&self->rusage_self, &r); add_rusage (&self->rusage_self, &r);
/* The below call could be moved down two lines, but I like to see consistent /* The below call could be moved down two lines, but this provides consistent
output from strace and the overhead should be extremely negligible. */ output from strace and the overhead should be extremely negligible. */
maybe_set_exit_code_from_windows (); maybe_set_exit_code_from_windows ();
if (n != EXITCODE_NOSET) if (n != EXITCODE_NOSET)
{ {
/* Move to an innocuous location to avoid races with other processes SetCurrentDirectory ("c:\\"); /* Move to an innocuous location to
that may want to manipulate the current directory before this process avoid races with other processes
that may want to manipulate the
current directory before this process
has completely exited. */ has completely exited. */
SetCurrentDirectory ("c:\\"); self->alert_parent (0); /* Shave a little time by telling our
/* Shave a little time off by telling our parent that we have now parent that we have now exited. */
exited. */
self->alert_parent (0);
} }
int exitcode = self->exitcode; int exitcode = self->exitcode;
release (); release ();

11
winsup/cygwin/spawn.cc
View File

@ -809,9 +809,14 @@ spawn_guts (const char * prog_arg, const char *const *argv,
dup_proc_pipe essentially a no-op. */ dup_proc_pipe essentially a no-op. */
if (myself->wr_proc_pipe) if (myself->wr_proc_pipe)
{ {
/* Make sure that we own wr_proc_pipe just in case we've been myself->sync_proc_pipe (); /* Make sure that we own wr_proc_pipe
previously execed. */ just in case we've been previously
myself->sync_proc_pipe (); execed. */
SetCurrentDirectory ("c:\\"); /* Move to an innocuous location to
avoid races with other processes
that may want to manipulate the
current directory before this process
has completely exited. */
(void) myself->dup_proc_pipe (pi.hProcess); (void) myself->dup_proc_pipe (pi.hProcess);
} }
} }