mirror of
https://github.com/FeralInteractive/gamemode.git
synced 2025-06-06 07:37:21 +02:00
Add two new API calls to the client to request gamemode on behalf of another process
gamemode_request_start_for and gamemode_request_end_for
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1f49432e7a
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@ -48,6 +48,16 @@ POSSIBILITY OF SUCH DAMAGE.
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* 2 if gamemode is active and this client is registered
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* -1 if the query failed
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*
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* int gamemode_request_start_for(pid_t pid) - Request gamemode starts for another process
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* 0 if the request was sent successfully
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* -1 if the request failed
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* -2 if the request was rejected
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*
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* int gamemode_request_end_for(pid_t pid) - Request gamemode ends for another process
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* 0 if the request was sent successfully
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* -1 if the request failed
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* -2 if the request was rejected
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*
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* const char* gamemode_error_string() - Get an error string
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* returns a string describing any of the above errors
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*/
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@ -61,6 +71,8 @@ POSSIBILITY OF SUCH DAMAGE.
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#include <errno.h>
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#include <string.h>
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#include <sys/types.h>
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static char internal_gamemode_client_error_string[512] = { 0 };
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/**
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@ -74,12 +86,15 @@ static volatile int internal_libgamemode_loaded = 1;
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/* Typedefs for the functions to load */
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typedef int (*api_call_return_int)(void);
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typedef const char *(*api_call_return_cstring)(void);
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typedef int (*api_call_pid_return_int)(pid_t);
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/* Storage for functors */
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static api_call_return_int REAL_internal_gamemode_request_start = NULL;
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static api_call_return_int REAL_internal_gamemode_request_end = NULL;
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static api_call_return_int REAL_internal_gamemode_query_status = NULL;
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static api_call_return_cstring REAL_internal_gamemode_error_string = NULL;
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static api_call_pid_return_int REAL_internal_gamemode_request_start_for = NULL;
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static api_call_pid_return_int REAL_internal_gamemode_request_end_for = NULL;
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/**
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* Internal helper to perform the symbol binding safely.
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@ -145,6 +160,14 @@ __attribute__((always_inline)) static inline int internal_load_libgamemode(void)
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(void **)&REAL_internal_gamemode_error_string,
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sizeof(REAL_internal_gamemode_error_string),
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true },
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{ "real_gamemode_request_start_for",
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(void **)&REAL_internal_gamemode_request_start_for,
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sizeof(REAL_internal_gamemode_request_start_for),
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false },
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{ "real_gamemode_request_end_for",
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(void **)&REAL_internal_gamemode_request_end_for,
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sizeof(REAL_internal_gamemode_request_end_for),
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false },
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};
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void *libgamemode = NULL;
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@ -273,4 +296,40 @@ __attribute__((always_inline)) static inline int gamemode_query_status(void)
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return REAL_internal_gamemode_query_status();
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}
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/* Redirect to the real libgamemode */
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__attribute__((always_inline)) static inline int gamemode_request_start_for(pid_t pid)
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{
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/* Need to load gamemode */
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if (internal_load_libgamemode() < 0) {
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return -1;
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}
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if (REAL_internal_gamemode_request_start_for == NULL) {
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snprintf(internal_gamemode_client_error_string,
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sizeof(internal_gamemode_client_error_string),
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"gamemode_request_start_for missing (older host?)");
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return -1;
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}
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return REAL_internal_gamemode_request_start_for(pid);
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}
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/* Redirect to the real libgamemode */
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__attribute__((always_inline)) static inline int gamemode_request_end_for(pid_t pid)
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{
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/* Need to load gamemode */
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if (internal_load_libgamemode() < 0) {
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return -1;
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}
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if (REAL_internal_gamemode_request_end_for == NULL) {
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snprintf(internal_gamemode_client_error_string,
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sizeof(internal_gamemode_client_error_string),
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"gamemode_request_end_for missing (older host?)");
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return -1;
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}
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return REAL_internal_gamemode_request_end_for(pid);
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}
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#endif // CLIENT_GAMEMODE_H
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