1sched_getparam(3C) Standard C Library Functions sched_getparam(3C)
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6 sched_getparam - get scheduling parameters
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9 #include <sched.h>
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11 int sched_getparam(pid_t pid, struct sched_param *param);
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15 The sched_getparam() function returns the scheduling parameters of a
16 process specified by pid in the sched_param structure pointed to by
17 param. The only required member of param is sched_priority.
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20 If a process specified by pid exists and if the calling process has
21 permission, the scheduling parameters for the process whose process ID
22 is equal to pid will be returned.
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25 If pid is 0, the scheduling parameters for the calling process will be
26 returned. The behavior of the sched_getparam() function is unspecified
27 if the value of pid is negative.
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30 Upon successful completion, the sched_getparam() function returns 0. If
31 the call to sched_getparam() is unsuccessful, the function returns −1
32 and sets errno to indicate the error.
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35 The sched_getparam() function will fail if:
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37 EPERM The requesting process does not have permission to obtain the
38 scheduling parameters of the specified process.
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41 ESRCH No process can be found corresponding to that specified by
42 pid.
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46 See attributes(5) for descriptions of the following attributes:
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51 ┌─────────────────────────────┬─────────────────────────────┐
52 │ATTRIBUTE TYPE │ATTRIBUTE VALUE │
53 ├─────────────────────────────┼─────────────────────────────┤
54 │Interface Stability │Committed │
55 ├─────────────────────────────┼─────────────────────────────┤
56 │MT-Level │MT-Safe │
57 ├─────────────────────────────┼─────────────────────────────┤
58 │Standard │See standards(5). │
59 └─────────────────────────────┴─────────────────────────────┘
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62 librt(3LIB), sched.h(3HEAD), sched_getscheduler(3C), sched_set‐
63 param(3C), sched_setscheduler(3C), attributes(5), standards(5)
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67SunOS 5.11 1 Apr 2008 sched_getparam(3C)