diff options
Diffstat (limited to 'makewrappers')
| -rwxr-xr-x | makewrappers | 159 |
1 files changed, 6 insertions, 153 deletions
diff --git a/makewrappers b/makewrappers index 4700bfd..cd6a675 100755 --- a/makewrappers +++ b/makewrappers @@ -25,17 +25,17 @@ case $# in esac # save old versions -test -f "pseudo_wrappers.c" && mv pseudo_wrappers.c pseudo_wrappers.c.old -test -f "pseudo_wrappers.h" && mv pseudo_wrappers.h pseudo_wrappers.h.old +test -f "pseudo_wrapfuncs.c" && mv pseudo_wrapfuncs.c pseudo_wrapfuncs.c.old +test -f "pseudo_wrapfuncs.h" && mv pseudo_wrapfuncs.h pseudo_wrapfuncs.h.old # create files -exec 5>pseudo_wrappers.c -exec 6>pseudo_wrappers.h +exec 5>pseudo_wrapfuncs.c +exec 6>pseudo_wrapfuncs.h exec 7>pseudo_wrapper_table.c # "cat >&N <<EOF" populates the file on &N with the here-document. -# pseudo_wrappers.c has to have all the hunks used by the wrapper functions, +# pseudo_wrapfuncs.c has to have all the hunks used by the wrapper functions, # including guts/*.c. cat >&5 <<EOF `cat guts/COPYRIGHT` @@ -43,77 +43,6 @@ cat >&5 <<EOF /* This file is generated and should not be modified. See the makewrappers * script if you want to modify this. */ - -#include <stdlib.h> -#include <limits.h> -#include <stdarg.h> -#include <stdio.h> -#include <string.h> -#include <errno.h> -#include <pthread.h> - -#include <sys/types.h> -#include <unistd.h> -#include <fcntl.h> -#include <sys/stat.h> -#include <dlfcn.h> - -/* used for various specific function arguments */ -#include <dirent.h> -#include <fts.h> -#include <ftw.h> -#include <glob.h> -#include <grp.h> -#include <pwd.h> -#include <utime.h> - -#include "pseudo.h" -#include "pseudo_wrappers.h" -#include "pseudo_ipc.h" -#include "pseudo_client.h" - -static void pseudo_enosys(const char *); -static int pseudo_populate_wrappers(void); -static volatile int antimagic = 0; -static pthread_mutex_t pseudo_mutex = PTHREAD_MUTEX_INITIALIZER; -static pthread_t pseudo_mutex_holder; -static int pseudo_mutex_recursion = 0; - -int -pseudo_getlock() { - if (pthread_equal(pseudo_mutex_holder, pthread_self())) { - ++pseudo_mutex_recursion; - return 0; - } else { - if (pthread_mutex_lock(&pseudo_mutex) == 0) { - pseudo_mutex_recursion = 1; - pseudo_mutex_holder = pthread_self(); - return 0; - } else { - return -1; - } - } -} - -void -pseudo_droplock() { - if (--pseudo_mutex_recursion == 0) { - pseudo_mutex_holder = 0; - pthread_mutex_unlock(&pseudo_mutex); - } -} - -void -pseudo_antimagic() { - ++antimagic; -} - -void -pseudo_magic() { - if (antimagic > 0) - --antimagic; -} - EOF cat >&6 <<EOF @@ -451,7 +380,7 @@ EOF EOF fi fi - # prototypes for pseudo_wrappers.h + # prototypes for pseudo_wrapfuncs.h cat >&6 <<EOF /* $type $name($args); */ static $type dummy_$name($args); @@ -478,79 +407,3 @@ cat >&7 <<EOF { NULL, NULL, NULL, NULL }, }; EOF - -# and now the actual populate_wrappers function. -cat >&5 <<EOF -#include "pseudo_wrapper_table.c" - -extern char *program_invocation_short_name; - -static void -pseudo_enosys(const char *func) { - pseudo_diag("pseudo: ENOSYS for '%s'.\n", func ? func : "<nil>"); - if (getenv("PSEUDO_ENOSYS_ABORT")) - abort(); -} - -static int -pseudo_populate_wrappers(void) { - int i; - char *debug; - static int done = 0; - char *pseudo_path = 0; - - if (done) - return done; - pseudo_getlock(); - pseudo_antimagic(); - for (i = 0; pseudo_functions[i].name; ++i) { - if (*pseudo_functions[i].real == pseudo_functions[i].dummy) { - int (*f)(void); - char *e; - dlerror(); - f = dlsym(RTLD_NEXT, pseudo_functions[i].name); - if ((e = dlerror()) != NULL) { - /* leave it pointed to dummy */ - pseudo_diag("No wrapper for %s: %s\n", pseudo_functions[i].name, e); - } else { - if (f) - *pseudo_functions[i].real = f; - } - } - } - done = 1; - debug = getenv("PSEUDO_DEBUG"); - if (debug) { - int level = atoi(debug); - for (i = 0; i < level; ++i) { - pseudo_debug_verbose(); - } - } - /* must happen after wrappers are set up, because it can call - * getcwd(), which needs wrappers, but must happen here so that - * any attempt to use a path in a wrapper function will have a - * value for cwd. - */ - pseudo_client_reset(); - pseudo_path = pseudo_prefix_path(NULL); - if (pseudo_dir_fd == -1) { - if (pseudo_path) { - pseudo_dir_fd = open(pseudo_path, O_RDONLY); - pseudo_dir_fd = pseudo_fd(pseudo_dir_fd, MOVE_FD); - free(pseudo_path); - } else { - pseudo_diag("No prefix available to to find server.\n"); - exit(1); - } - if (pseudo_dir_fd == -1) { - pseudo_diag("Can't open prefix path (%s) for server.\n", - strerror(errno)); - exit(1); - } - } - pseudo_debug(2, "(%s) set up wrappers\n", program_invocation_short_name); - pseudo_magic(); - pseudo_droplock(); - return done; -} -EOF |