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| author | Christopher Faylor <me@cgf.cx> | 2002-10-17 17:45:09 +0000 |
|---|---|---|
| committer | Christopher Faylor <me@cgf.cx> | 2002-10-17 17:45:09 +0000 |
| commit | fef1edbc9a4ca63fdb801f78086d442bce1da40f (patch) | |
| tree | d05317f5b2ba6fe622957cad2bc93157393dbdd9 /winsup/cygwin | |
| parent | e9350b6575f296f1e46a867480112300498b467b (diff) | |
| download | newlib-fef1edbc9a4ca63fdb801f78086d442bce1da40f.zip newlib-fef1edbc9a4ca63fdb801f78086d442bce1da40f.tar.gz newlib-fef1edbc9a4ca63fdb801f78086d442bce1da40f.tar.bz2 | |
* dtable.cc (dtable::set_file_pointers_for_exec): New function.
* dtable.h (dtable::set_file_pointers_for_exec): Declare new function.
* spawn.cc (spawn_guts): Call dtable::set_file_pointers_for_exec to set
pointers to EOF when execing non-cygwin applications.
Diffstat (limited to 'winsup/cygwin')
| -rw-r--r-- | winsup/cygwin/ChangeLog | 7 | ||||
| -rw-r--r-- | winsup/cygwin/dtable.cc | 11 | ||||
| -rw-r--r-- | winsup/cygwin/dtable.h | 1 | ||||
| -rw-r--r-- | winsup/cygwin/spawn.cc | 1 |
4 files changed, 20 insertions, 0 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index 4c170f2..f51f0a4 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,10 @@ +2002-10-17 Christopher Faylor <cgf@redhat.com> + + * dtable.cc (dtable::set_file_pointers_for_exec): New function. + * dtable.h (dtable::set_file_pointers_for_exec): Declare new function. + * spawn.cc (spawn_guts): Call dtable::set_file_pointers_for_exec to set + pointers to EOF when execing non-cygwin applications. + 2002-10-17 Robert Collins <rbtcollins@hotmail.com> * thread.h (pthread_mutex::isGoodInitializerOrBadObject): Declare. diff --git a/winsup/cygwin/dtable.cc b/winsup/cygwin/dtable.cc index 6b5ee88..7bbfbbf 100644 --- a/winsup/cygwin/dtable.cc +++ b/winsup/cygwin/dtable.cc @@ -575,6 +575,17 @@ dtable::fixup_before_exec (DWORD target_proc_id) } void +dtable::set_file_pointers_for_exec () +{ + SetResourceLock (LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "set_file_pointers_for_exec"); + fhandler_base *fh; + for (size_t i = 0; i < size; i++) + if ((fh = fds[i]) != NULL && fh->get_flags () & O_APPEND) + SetFilePointer (fh->get_handle (), 0, 0, FILE_END); + ReleaseResourceLock (LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "fixup_before_exec"); +} + +void dtable::fixup_after_exec (HANDLE parent) { first_fd_for_open = 0; diff --git a/winsup/cygwin/dtable.h b/winsup/cygwin/dtable.h index c481810..0223af7 100644 --- a/winsup/cygwin/dtable.h +++ b/winsup/cygwin/dtable.h @@ -78,6 +78,7 @@ public: operator fhandler_base **() {return fds;} void stdio_init (); void get_debugger_info (); + void set_file_pointers_for_exec (); }; void dtable_init (void); diff --git a/winsup/cygwin/spawn.cc b/winsup/cygwin/spawn.cc index 6bc76fb..9c055c8 100644 --- a/winsup/cygwin/spawn.cc +++ b/winsup/cygwin/spawn.cc @@ -621,6 +621,7 @@ spawn_guts (const char * prog_arg, const char *const *argv, cygbench ("spawn-guts"); + cygheap->fdtab.set_file_pointers_for_exec (); if (!cygheap->user.issetuid ()) { PSECURITY_ATTRIBUTES sec_attribs = sec_user_nih (sa_buf); |