Mercurial > hg > freeDiameter
comparison include/freeDiameter/extension.h @ 1493:a89913941dcf
extensions: hide symbols by default
Hide extension.fdx symbols by default, by setting the
target property <LANG>C_VISIBILITY_PRESET hidden.
This requires cmake 2.8+
Explicitly export fd_ext_init() and fd_ext_fini(),
using gcc or clang's __attribute__((visibility()))
| author | Luke Mewburn <luke@mewburn.net> |
|---|---|
| date | Mon, 30 Mar 2020 15:31:48 +1100 |
| parents | 1e1d6f94cd94 |
| children | 449b766ded50 |
comparison
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| 1492:fadf8947c0fb | 1493:a89913941dcf |
|---|---|
| 46 | 46 |
| 47 /* Macro that define the entry point of the extension */ | 47 /* Macro that define the entry point of the extension */ |
| 48 #define EXTENSION_ENTRY(_name, _function, _depends...) \ | 48 #define EXTENSION_ENTRY(_name, _function, _depends...) \ |
| 49 const char *fd_ext_depends[] = { _name , ## _depends , NULL }; \ | 49 const char *fd_ext_depends[] = { _name , ## _depends , NULL }; \ |
| 50 static int extension_loaded = 0; \ | 50 static int extension_loaded = 0; \ |
| 51 \ | |
| 52 __attribute__((visibility("default"))) \ | |
| 51 int fd_ext_init(int major, int minor, char * conffile) { \ | 53 int fd_ext_init(int major, int minor, char * conffile) { \ |
| 52 if ((major != FD_PROJECT_VERSION_MAJOR) \ | 54 if ((major != FD_PROJECT_VERSION_MAJOR) \ |
| 53 || (minor != FD_PROJECT_VERSION_MINOR)) { \ | 55 || (minor != FD_PROJECT_VERSION_MINOR)) { \ |
| 54 TRACE_ERROR("This extension (" _name ") was compiled for a different version of freeDiameter."); \ | 56 TRACE_ERROR("This extension (" _name ") was compiled for a different version of freeDiameter."); \ |
| 55 TRACE_DEBUG(INFO, "daemon %d.%d != ext %d.%d", \ | 57 TRACE_DEBUG(INFO, "daemon %d.%d != ext %d.%d", \ |
| 61 TRACE_ERROR("Extension (" _name ") cannot be loaded twice!"); \ | 63 TRACE_ERROR("Extension (" _name ") cannot be loaded twice!"); \ |
| 62 return ENOTSUP; \ | 64 return ENOTSUP; \ |
| 63 } \ | 65 } \ |
| 64 extension_loaded++; \ | 66 extension_loaded++; \ |
| 65 return (_function)(conffile); \ | 67 return (_function)(conffile); \ |
| 66 } | 68 } |
| 69 | |
| 70 /* Optional exit point (finish function) of the extension */ | |
| 71 __attribute__((visibility("default"))) | |
| 72 void fd_ext_fini(void); | |
| 67 | 73 |
| 68 #ifdef __cplusplus | 74 #ifdef __cplusplus |
| 69 } | 75 } |
| 70 #endif | 76 #endif |
| 71 | 77 |