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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:29:52 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:29:52 +0000 |
commit | ca67b09c015d4af3ae3cce12aa72e60941dbb8b5 (patch) | |
tree | b7316d7b06c373e08dabb79a2c866c568e08f49e /debian/grub-extras/disabled/gpxe/src/include/gpxe/retry.h | |
parent | Adding upstream version 2.06. (diff) | |
download | grub2-ca67b09c015d4af3ae3cce12aa72e60941dbb8b5.tar.xz grub2-ca67b09c015d4af3ae3cce12aa72e60941dbb8b5.zip |
Adding debian version 2.06-13+deb12u1.debian/2.06-13+deb12u1debian
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'debian/grub-extras/disabled/gpxe/src/include/gpxe/retry.h')
-rw-r--r-- | debian/grub-extras/disabled/gpxe/src/include/gpxe/retry.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/debian/grub-extras/disabled/gpxe/src/include/gpxe/retry.h b/debian/grub-extras/disabled/gpxe/src/include/gpxe/retry.h new file mode 100644 index 0000000..ada0204 --- /dev/null +++ b/debian/grub-extras/disabled/gpxe/src/include/gpxe/retry.h @@ -0,0 +1,81 @@ +#ifndef _GPXE_RETRY_H +#define _GPXE_RETRY_H + +/** @file + * + * Retry timers + * + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#include <gpxe/list.h> + +/** Default timeout value */ +#define DEFAULT_MIN_TIMEOUT ( TICKS_PER_SEC / 4 ) + +/** Limit after which the timeout will be deemed permanent */ +#define DEFAULT_MAX_TIMEOUT ( 10 * TICKS_PER_SEC ) + +/** A retry timer */ +struct retry_timer { + /** List of active timers */ + struct list_head list; + /** Timer is currently running */ + unsigned int running; + /** Timeout value (in ticks) */ + unsigned long timeout; + /** Minimum timeout value (in ticks) + * + * A value of zero means "use default timeout." + */ + unsigned long min_timeout; + /** Maximum timeout value before failure (in ticks) + * + * A value of zero means "use default timeout." + */ + unsigned long max_timeout; + /** Start time (in ticks) */ + unsigned long start; + /** Retry count */ + unsigned int count; + /** Timer expired callback + * + * @v timer Retry timer + * @v fail Failure indicator + * + * The timer will already be stopped when this method is + * called. The failure indicator will be True if the retry + * timeout has already exceeded @c MAX_TIMEOUT. + */ + void ( * expired ) ( struct retry_timer *timer, int over ); +}; + +extern void start_timer ( struct retry_timer *timer ); +extern void start_timer_fixed ( struct retry_timer *timer, + unsigned long timeout ); +extern void stop_timer ( struct retry_timer *timer ); + +/** + * Start timer with no delay + * + * @v timer Retry timer + * + * This starts the timer running with a zero timeout value. + */ +static inline void start_timer_nodelay ( struct retry_timer *timer ) { + start_timer_fixed ( timer, 0 ); +} + +/** + * Test to see if timer is currently running + * + * @v timer Retry timer + * @ret running Non-zero if timer is running + */ +static inline __attribute__ (( always_inline )) unsigned long +timer_running ( struct retry_timer *timer ) { + return ( timer->running ); +} + +#endif /* _GPXE_RETRY_H */ |