diff options
Diffstat (limited to 'src/gen-posix-lock-obj.c')
| -rw-r--r-- | src/gen-posix-lock-obj.c | 60 |
1 files changed, 46 insertions, 14 deletions
diff --git a/src/gen-posix-lock-obj.c b/src/gen-posix-lock-obj.c index d2bc645..595d379 100644 --- a/src/gen-posix-lock-obj.c +++ b/src/gen-posix-lock-obj.c @@ -36,9 +36,11 @@ #define PGM "gen-posix-lock-obj" /* Check that configure did its job. */ +#ifdef USE_POSIX_THREADS #if SIZEOF_PTHREAD_MUTEX_T < 4 # error sizeof pthread_mutex_t is not known. #endif +#endif /* Special requirements for certain platforms. */ #if defined(__hppa__) && defined(__linux__) @@ -52,25 +54,32 @@ # error compiler is not able to enforce a 16 byte alignment #endif - +#ifdef USE_POSIX_THREADS static pthread_mutex_t mtx = PTHREAD_MUTEX_INITIALIZER; - +#endif int main (void) { +#ifdef USE_POSIX_THREADS unsigned char *p; int i; +#endif struct { - pthread_mutex_t mtx; long vers; +#ifdef USE_POSIX_THREADS + pthread_mutex_t mtx; +#endif } dummyobj; + +#ifdef USE_POSIX_THREADS if (sizeof mtx != SIZEOF_PTHREAD_MUTEX_T) { fprintf (stderr, PGM ": pthread_mutex_t mismatch\n"); exit (1); } +#endif /*USE_POSIX_THREADS*/ if (sizeof (dummyobj) != sizeof (_gpgrt_lock_t)) { @@ -78,13 +87,23 @@ main (void) exit (1); } - /* To force a probably suitable alignment of the structure we use a - union and include a long and a pointer to a long. */ - printf ("## lock-obj-pub.%s.h\n" + printf ("## lock-obj-pub.%s.h%s\n" "## File created by " PGM " - DO NOT EDIT\n" "## To be included by mkheader into gpg-error.h\n" - "\n" - "typedef struct\n" + "\n", + HOST_TRIPLET_STRING, +#ifdef USE_POSIX_THREADS + "" +#else + " - NO LOCK SUPPORT" +#endif + ); + +#ifdef USE_POSIX_THREADS + + /* To force a probably suitable alignment of the structure we use a + union and include a long and a pointer to a long. */ + printf ("typedef struct\n" "{\n" " long _vers;\n" " union {\n" @@ -96,13 +115,12 @@ main (void) "} gpgrt_lock_t;\n" "\n" "#define GPGRT_LOCK_INITIALIZER {%d,{{", - HOST_TRIPLET_STRING, SIZEOF_PTHREAD_MUTEX_T, -#if USE_16BYTE_ALIGNMENT +# if USE_16BYTE_ALIGNMENT " int _x16_align __attribute__ ((aligned (16)));\n", -#else +# else "", -#endif +# endif LOCK_ABI_VERSION); p = (unsigned char *)&mtx; for (i=0; i < sizeof mtx; i++) @@ -113,8 +131,22 @@ main (void) if (i < sizeof mtx - 1) putchar (','); } - fputs ("}}}\n" - "##\n" + fputs ("}}}\n", stdout); + +#else /*!USE_POSIX_THREADS*/ + + printf ("/* Dummy object - no locking available. */\n" + "typedef struct\n" + "{\n" + " long _vers;\n" + "} gpgrt_lock_t;\n" + "\n" + "#define GPGRT_LOCK_INITIALIZER {%d}\n", + LOCK_ABI_VERSION); + +#endif /*!USE_POSIX_THREADS*/ + + fputs ("##\n" "## Loc" "al Variables:\n" "## mode: c\n" "## buffer-read-only: t\n" |