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Message type for SYS_SETALARM

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Change-Id: I2c2ee24c19085cbd1e7ffba7b2db714b2561ff17
This commit is contained in:
Lionel Sambuc
2014-05-21 10:52:39 +02:00
parent 85e7cb92a9
commit 30eae10274
5 changed files with 30 additions and 27 deletions
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5
lib/libsys/sys_setalarm.c
View File

@@ -11,8 +11,7 @@ int abs_time; /* use absolute or relative expiration time */
* number can be SELF if the caller doesn't know its process number.
*/
message m;
m.ALRM_EXP_TIME = exp_time; /* the expiration time */
m.ALRM_ABS_TIME = abs_time; /* time is absolute? */
m.m_lsys_krn_sys_setalarm.exp_time = exp_time; /* the expiration time */
m.m_lsys_krn_sys_setalarm.abs_time = abs_time; /* time is absolute? */
return _kernel_call(SYS_SETALARM, &m);
}

21
lib/libsys/tickdelay.c
View File

@@ -17,25 +17,24 @@ int tickdelay(clock_t ticks)
if (ticks <= 0) return OK; /* check for robustness */
m.ALRM_EXP_TIME = ticks; /* request message after ticks */
m.ALRM_ABS_TIME = 0; /* ticks are relative to now */
m.m_lsys_krn_sys_setalarm.exp_time = ticks; /* request message after ticks */
m.m_lsys_krn_sys_setalarm.abs_time = 0; /* ticks are relative to now */
s = _kernel_call(SYS_SETALARM, &m);
if (s != OK) return(s);
sef_receive(CLOCK,&m_alarm); /* await synchronous alarm */
/* Check if we must reschedule the current alarm. */
if (m.ALRM_TIME_LEFT > 0 && m.ALRM_TIME_LEFT != TMR_NEVER) {
m.ALRM_EXP_TIME = m.ALRM_TIME_LEFT - ticks;
if (m.ALRM_EXP_TIME <= 0)
m.ALRM_EXP_TIME = 1;
if (m.m_lsys_krn_sys_setalarm.time_left > 0 &&
m.m_lsys_krn_sys_setalarm.time_left != TMR_NEVER) {
m.m_lsys_krn_sys_setalarm.exp_time =
m.m_lsys_krn_sys_setalarm.time_left - ticks;
if (m.m_lsys_krn_sys_setalarm.exp_time <= 0)
m.m_lsys_krn_sys_setalarm.exp_time = 1;
s = _kernel_call(SYS_SETALARM, &m);
}
return(s);
}