diff options
Diffstat (limited to 'src/cg-base.h')
| -rw-r--r-- | src/cg-base.h | 52 |
1 files changed, 46 insertions, 6 deletions
diff --git a/src/cg-base.h b/src/cg-base.h index 13667b7..b12d551 100644 --- a/src/cg-base.h +++ b/src/cg-base.h @@ -28,8 +28,10 @@ typedef struct filter_update /** * The filter to update * - * `.filter.crtc` and `.filter.priority` - * are preconfigured + * `.filter.crtc`, `.filter.class`, and + * `.filter.priority`, `.filter.depth` + * are preconfigured, and `.filter.ramps` + * is preinitialised. */ libcoopgamma_filter_t filter; @@ -106,6 +108,11 @@ extern size_t crtcs_n; */ extern const int64_t default_priority; +/** + * The default class for the program + */ +extern char* const default_class; + /** @@ -115,6 +122,36 @@ extern const int64_t default_priority; */ int make_slaves(void); +/** + * Update a filter and synchronise calls + * + * @param index The index of the CRTC + * @param timeout The number of milliseconds a call to `poll` may block, + * -1 if it may block forever + * @return 1: Success, no pending synchronisations + * 0: Success, with still pending synchronisations + * -1: Error, `errno` set + * -2: Error, `cg.error` set + * + * @throws EINTR Call to `poll` was interrupted by a signal + * @throws EAGAIN Call to `poll` timed out + */ +int update_filter(size_t index, int timeout); + +/** + * Synchronised calls + * + * @param timeout The number of milliseconds a call to `poll` may block, + * -1 if it may block forever + * @return 1: Success, no pending synchronisations + * 0: Success, with still pending synchronisations + * -1: Error, `errno` set + * -2: Error, `cg.error` set + * + * @throws EINTR Call to `poll` was interrupted by a signal + * @throws EAGAIN Call to `poll` timed out + */ +int synchronise(int timeout); /** @@ -131,7 +168,7 @@ extern void usage(void); * @param opt The option, it is a NUL-terminate two-character * string starting with either '-' or '+', if the * argument is not recognised, call `usage`. This - * string will not be "-m", "-s", or "-c". + * string will not be "-M", "-S", "-c", "-p", or "-R". * @param arg The argument associated with `opt`, * `NULL` there is no next argument, if this * parameter is `NULL` but needed, call `usage` @@ -150,15 +187,18 @@ extern int handle_opt(char* opt, char* arg); * * @param argc The number of unparsed arguments * @param argv `NULL` terminated list of unparsed arguments - * @param method The argument associated with the "-m" option - * @param site The argument associated with the "-s" option + * @param method The argument associated with the "-M" option + * @param site The argument associated with the "-S" option * @param crtcs The arguments associated with the "-c" options, `NULL`-terminated + * @param prio The argument associated with the "-p" option + * @param rule The argument associated with the "-R" option * @return Zero on success, -1 on error */ #if defined(__GNUC__) __attribute__((__nonnull__(2))) #endif -extern int handle_args(int argc, char* argv[], char* method, char* site, char** crtcs); +extern int handle_args(int argc, char* argv[], char* method, char* site, char** crtcs, + char* prio, char* rule); /** * The main function for the program-specific code |