From 08cac4ac19abd40887afbd9d841cd96a8efbbe98 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 26 Aug 1998 00:07:26 +0000 Subject: Update. 1998-08-25 Ulrich Drepper * sysdeps/generic/dl-cache.c: Move static variable cache and cachesize to toplevel. (_dl_unload_cache): New function. * elf/Versions [libc GLIBC_2.1]: Add _dl_unload_cache. * elf/dl-open.c (_dl_open): Unload map file before freeing the lock. * elf/rtld (dl_main): Unload map file before jumping to user code. * sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Define O_DIRECT. Correct comment for O_LARGEFILE. * sysdeps/unix/sysv/linux/bits/fcntl.h: Define O_DIRECT. Change O_LARGEFILE to correct value. 1998-08-25 14:34 Ulrich Drepper * libio/iogetline.c (_IO_getline_info): Don't read anything for N == 0. Patch by HJ Lu. --- elf/Versions | 2 +- elf/dl-open.c | 9 +++++++++ elf/rtld.c | 8 ++++++++ 3 files changed, 18 insertions(+), 1 deletion(-) (limited to 'elf') diff --git a/elf/Versions b/elf/Versions index 1b02cd328c..ed5ba6f830 100644 --- a/elf/Versions +++ b/elf/Versions @@ -21,7 +21,7 @@ libc { _dl_profile; _dl_profile_map; _dl_profile_output; _dl_start_profile; # functions used in other libraries - _dl_mcount; _dl_mcount_wrapper; _dl_mcount_wrapper_check; + _dl_mcount; _dl_mcount_wrapper; _dl_mcount_wrapper_check; _dl_unload_cache; } } diff --git a/elf/dl-open.c b/elf/dl-open.c index b595f2df73..3670657379 100644 --- a/elf/dl-open.c +++ b/elf/dl-open.c @@ -21,6 +21,7 @@ #include #include #include +#include /* Check whether MAP_COPY is defined. */ #include #include @@ -31,6 +32,9 @@ extern ElfW(Addr) _dl_sysdep_start (void **start_argptr, ElfW(Addr) *user_entry)); weak_extern (_dl_sysdep_start) +/* This function is used to unload the cache file if necessary. */ +extern void _dl_unload_cache (void); + extern int __libc_multiple_libcs; /* Defined in init-first.c. */ extern int __libc_argc; @@ -224,6 +228,11 @@ _dl_open (const char *file, int mode) args.map = NULL; errcode = _dl_catch_error (&errstring, dl_open_worker, &args); +#ifndef MAP_COPY + /* We must munmap() the cache file. */ + _dl_unload_cache (); +#endif + /* Release the lock. */ __libc_lock_unlock (_dl_load_lock); diff --git a/elf/rtld.c b/elf/rtld.c index 3fd13179ba..13c4f2698e 100644 --- a/elf/rtld.c +++ b/elf/rtld.c @@ -40,6 +40,9 @@ extern ElfW(Addr) _dl_sysdep_start (void **start_argptr, ElfW(Addr) *user_entry)); extern void _dl_sysdep_start_cleanup (void); +/* This function is used to unload the cache file if necessary. */ +extern void _dl_unload_cache (void); + /* System-dependent function to read a file's whole contents in the most convenient manner available. */ extern void *_dl_sysdep_read_whole_file (const char *filename, @@ -918,6 +921,11 @@ of this helper program; chances are you did not intend to run this program.\n\ _dl_debug_state (); } +#ifndef MAP_COPY + /* We must munmap() the cache file. */ + _dl_unload_cache (); +#endif + /* Now enable profiling if needed. */ if (_dl_profile_map != NULL) /* We must prepare the profiling. */ -- cgit v1.2.3