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sched_getscheduler (3)
  • sched_getscheduler (2) ( FreeBSD man: Системные вызовы )
  • sched_getscheduler (2) ( Русские man: Системные вызовы )
  • sched_getscheduler (2) ( Linux man: Системные вызовы )
  • >> sched_getscheduler (3) ( Solaris man: Библиотечные вызовы )
  • sched_getscheduler (3) ( POSIX man: Библиотечные вызовы )
  •  

    NAME

    sched_getscheduler - get scheduling policy
     
    

    SYNOPSIS

    #include <sched.h>
    
    int sched_getscheduler(pid_t pid);
    

     

    DESCRIPTION

    The sched_getscheduler() function returns the scheduling policy of the process specified by pid. If the value of pid is negative, the behavior of the sched_getscheduler() function is unspecified.

    The values that can be returned by sched_getscheduler() are defined in the header <sched.h> and described on the sched_setscheduler(3C) manual page.

    If a process specified by pid exists and if the calling process has permission, the scheduling policy will be returned for the process whose process ID is equal to pid.

    If pid is 0, the scheduling policy will be returned for the calling process.  

    RETURN VALUES

    Upon successful completion, the sched_getscheduler() function returns the scheduling policy of the specified process. If unsuccessful, the function returns -1 and sets errno to indicate the error.  

    ERRORS

    The sched_getscheduler() function will fail if:

    EPERM

    The requesting process does not have permission to determine the scheduling policy of the specified process.

    ESRCH

    No process can be found corresponding to that specified by pid.

     

    ATTRIBUTES

    See attributes(5) for descriptions of the following attributes:

    ATTRIBUTE TYPEATTRIBUTE VALUE

    Interface StabilityCommitted

    MT-Level

    Standard

     

    SEE ALSO

    librt(3LIB), sched.h(3HEAD), sched_getparam(3C), sched_setparam(3C), sched_setscheduler(3C), attributes(5), standards(5)


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUES
    ERRORS
    ATTRIBUTES
    SEE ALSO


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