Open System Services System Calls Reference Manual (G06.29+, H06.08+, J06.03+)

pthread_attr_setschedpolicy(2) OSS System Calls Reference Manual
of the following tasks:
• Include the pthread.h header file in the application.
• Compile the application using the _PUT_MODEL_ feature test macro or equivalent
compiler command option.
• Compile the application using the -Wlp64 compiler command option.
• Link the application to the yputdll library (/G/system/zdllnnn/yputdll).
To use this function in a threaded application that uses the Standard POSIX Threads library on
systems running H06.21 or later RVUs or J06.10 or later RVUs, you must perform all of the fol-
lowing tasks:
• Include the spthread.h header file in the application.
• Compile the application using the _SPT_MODEL_ feature test macro or equivalent
compiler command option.
• Link the application to the zsptdll library (/G/system/zdllnnn/zsptdll).
NOTES
Never attempt to use scheduling as a mechanism for synchronization.
RETURN VALUES
If an error condition occurs, this function returns an integer value indicating the type of error.
Possible return values are:
0 Successful completion.
[EINVAL] The value specified by the policy parameter is invalid.
[ENOTSUP] An attempt was made to set the scheduling policy to an unsupported value.
RELATED INFORMATION
Functions: pthread_attr_init(2), pthread_attr_getschedpolicy(2),
pthread_attr_setinheritsched(2), pthread_attr_setschedparam(2), pthread_create(2).
STANDARDS CONFORMANCE
Interfaces documented on this reference page conform to the following industry standards:
• IEEE Std 1003.1-2004, POSIX System Application Program Interface
The use of the header file spthread.h is an HP exception to the POSIX standard.
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