diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/plist.c | 115 |
1 files changed, 41 insertions, 74 deletions
diff --git a/src/plist.c b/src/plist.c index a425466..79448db 100644 --- a/src/plist.c +++ b/src/plist.c @@ -59,15 +59,6 @@ static int plist_debug = 0; #define PLIST_ERR(...) #endif -extern void plist_xml_init(void); -extern void plist_xml_deinit(void); -extern void plist_bin_init(void); -extern void plist_bin_deinit(void); -extern void plist_json_init(void); -extern void plist_json_deinit(void); -extern void plist_ostep_init(void); -extern void plist_ostep_deinit(void); - #ifndef bswap16 #define bswap16(x) ((((x) & 0xFF00) >> 8) | (((x) & 0x00FF) << 8)) #endif @@ -114,13 +105,41 @@ extern void plist_ostep_deinit(void); #endif #endif -static void internal_plist_init(void) -{ - plist_bin_init(); - plist_xml_init(); - plist_json_init(); - plist_ostep_init(); -} +// Reference: https://stackoverflow.com/a/2390626/1806760 +// Initializer/finalizer sample for MSVC and GCC/Clang. +// 2010-2016 Joe Lowe. Released into the public domain. + +#ifdef __cplusplus + #define INITIALIZER(f) \ + static void f(void); \ + struct f##_t_ { f##_t_(void) { f(); } }; static f##_t_ f##_; \ + static void f(void) +#elif defined(_MSC_VER) + #pragma section(".CRT$XCU",read) + #define INITIALIZER2_(f,p) \ + static void f(void); \ + __declspec(allocate(".CRT$XCU")) void (*f##_)(void) = f; \ + __pragma(comment(linker,"/include:" p #f "_")) \ + static void f(void) + #ifdef _WIN64 + #define INITIALIZER(f) INITIALIZER2_(f,"") + #else + #define INITIALIZER(f) INITIALIZER2_(f,"_") + #endif +#else + #define INITIALIZER(f) \ + static void f(void) __attribute__((__constructor__)); \ + static void f(void) +#endif + +extern void plist_xml_init(void); +extern void plist_xml_deinit(void); +extern void plist_bin_init(void); +extern void plist_bin_deinit(void); +extern void plist_json_init(void); +extern void plist_json_deinit(void); +extern void plist_ostep_init(void); +extern void plist_ostep_deinit(void); static void internal_plist_deinit(void) { @@ -130,66 +149,14 @@ static void internal_plist_deinit(void) plist_ostep_deinit(); } -#ifdef WIN32 -typedef volatile struct { - LONG lock; - int state; -} thread_once_t; - -static thread_once_t init_once = {0, 0}; -static thread_once_t deinit_once = {0, 0}; - -static void thread_once(thread_once_t *once_control, void (*init_routine)(void)) -{ - while (InterlockedExchange(&(once_control->lock), 1) != 0) { - Sleep(1); - } - if (!once_control->state) { - once_control->state = 1; - init_routine(); - } - InterlockedExchange(&(once_control->lock), 0); -} -#else -static pthread_once_t init_once = PTHREAD_ONCE_INIT; -static pthread_once_t deinit_once = PTHREAD_ONCE_INIT; -#define thread_once pthread_once -#endif - -#ifndef HAVE_ATTRIBUTE_CONSTRUCTOR - #if defined(__llvm__) || defined(__GNUC__) - #define HAVE_ATTRIBUTE_CONSTRUCTOR - #endif -#endif - -#ifdef HAVE_ATTRIBUTE_CONSTRUCTOR -static void __attribute__((constructor)) libplist_initialize(void) +INITIALIZER(internal_plist_init) { - thread_once(&init_once, internal_plist_init); -} - -static void __attribute__((destructor)) libplist_deinitialize(void) -{ - thread_once(&deinit_once, internal_plist_deinit); -} -#elif defined(WIN32) -BOOL WINAPI DllMain(HINSTANCE hModule, DWORD dwReason, LPVOID lpReserved) -{ - switch (dwReason) { - case DLL_PROCESS_ATTACH: - thread_once(&init_once, internal_plist_init); - break; - case DLL_PROCESS_DETACH: - thread_once(&deinit_once, internal_plist_deinit); - break; - default: - break; - } - return 1; + plist_bin_init(); + plist_xml_init(); + plist_json_init(); + plist_ostep_init(); + atexit(internal_plist_deinit); } -#else -#warning No compiler support for constructor/destructor attributes, some features might not be available. -#endif #ifndef HAVE_MEMMEM // see https://sourceware.org/legacy-ml/libc-alpha/2007-12/msg00000.html |