diff options
Diffstat (limited to 'linux/LinuxProcess.c')
| -rw-r--r-- | linux/LinuxProcess.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/linux/LinuxProcess.c b/linux/LinuxProcess.c index c6c3112d..17790f65 100644 --- a/linux/LinuxProcess.c +++ b/linux/LinuxProcess.c @@ -268,13 +268,20 @@ io_priority = (cpu_nice + 20) / 5. -- From ionice(1) man page #define LinuxProcess_effectiveIOPriority(p_) (IOPriority_class(p_->ioPriority) == IOPRIO_CLASS_NONE ? IOPriority_tuple(IOPRIO_CLASS_BE, (p_->super.nice + 20) / 5) : p_->ioPriority) IOPriority LinuxProcess_updateIOPriority(LinuxProcess* this) { - IOPriority ioprio = syscall(SYS_ioprio_get, IOPRIO_WHO_PROCESS, this->super.pid); + IOPriority ioprio = 0; +// Other OSes masquerading as Linux (NetBSD?) don't have this syscall +#ifdef SYS_ioprio_get + ioprio = syscall(SYS_ioprio_get, IOPRIO_WHO_PROCESS, this->super.pid); +#endif this->ioPriority = ioprio; return ioprio; } bool LinuxProcess_setIOPriority(LinuxProcess* this, IOPriority ioprio) { +// Other OSes masquerading as Linux (NetBSD?) don't have this syscall +#ifdef SYS_ioprio_set syscall(SYS_ioprio_set, IOPRIO_WHO_PROCESS, this->super.pid, ioprio); +#endif return (LinuxProcess_updateIOPriority(this) == ioprio); } |