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#include <sched.h> /* * Not defined anywhere else, probably, just to make sure we * catch future flags */ #define SCHED_POLICY_MASK 0xff #ifndef SCHED_DEADLINE #define SCHED_DEADLINE 6 #endif #ifndef SCHED_RESET_ON_FORK #define SCHED_RESET_ON_FORK 0x40000000 #endif static size_t syscall_arg__scnprintf_sched_policy(char *bf, size_t size, struct syscall_arg *arg) { const char *policies[] = { "NORMAL", "FIFO", "RR", "BATCH", "ISO", "IDLE", "DEADLINE", }; size_t printed; int policy = arg->val, flags = policy & ~SCHED_POLICY_MASK; policy &= SCHED_POLICY_MASK; if (policy <= SCHED_DEADLINE) printed = scnprintf(bf, size, "%s", policies[policy]); else printed = scnprintf(bf, size, "%#x", policy); #define P_POLICY_FLAG(n) \ if (flags & SCHED_##n) { \ printed += scnprintf(bf + printed, size - printed, "|%s", #n); \ flags &= ~SCHED_##n; \ } P_POLICY_FLAG(RESET_ON_FORK); #undef P_POLICY_FLAG if (flags) printed += scnprintf(bf + printed, size - printed, "|%#x", flags); return printed; } #define SCA_SCHED_POLICY syscall_arg__scnprintf_sched_policy |