/* * Copyright 2013-2015, Michael Ellerman, IBM Corp. * Licensed under GPLv2. */ #define _GNU_SOURCE /* For CPU_ZERO etc. */ #include #include #include #include #include #include #include #include #include #include "utils.h" static char auxv[4096]; void *get_auxv_entry(int type) { ElfW(auxv_t) *p; void *result; ssize_t num; int fd; fd = open("/proc/self/auxv", O_RDONLY); if (fd == -1) { perror("open"); return NULL; } result = NULL; num = read(fd, auxv, sizeof(auxv)); if (num < 0) { perror("read"); goto out; } if (num > sizeof(auxv)) { printf("Overflowed auxv buffer\n"); goto out; } p = (ElfW(auxv_t) *)auxv; while (p->a_type != AT_NULL) { if (p->a_type == type) { result = (void *)p->a_un.a_val; break; } p++; } out: close(fd); return result; } int pick_online_cpu(void) { cpu_set_t mask; int cpu; CPU_ZERO(&mask); if (sched_getaffinity(0, sizeof(mask), &mask)) { perror("sched_getaffinity"); return -1; } /* We prefer a primary thread, but skip 0 */ for (cpu = 8; cpu < CPU_SETSIZE; cpu += 8) if (CPU_ISSET(cpu, &mask)) return cpu; /* Search for anything, but in reverse */ for (cpu = CPU_SETSIZE - 1; cpu >= 0; cpu--) if (CPU_ISSET(cpu, &mask)) return cpu; printf("No cpus in affinity mask?!\n"); return -1; } mbingsTobias Klauser
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path: root/include/dt-bindings/dma/nbpfaxi.h
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authorSteve French <smfrench@gmail.com>2016-09-19 11:14:06 -0500
committerSteve French <smfrench@gmail.com>2016-10-12 12:08:30 -0500
commita958fff2429525692c571bb6421b606fb0fef50a (patch)
tree84c76cd718dd69a4949471c75f933cd276419505
parent1573d2caf713874cfe0d1336c823d0fb548d8bed (diff)
Add way to query file attributes via cifs xattr
Add parsing for new pseudo-xattr user.cifs.dosattrib file attribute so tools can recognize what kind of file it is, and verify if common SMB3 attributes (system, hidden, archive, sparse, indexed etc.) are set. Signed-off-by: Steve French <steve.french@primarydata.com> Reviewed-by: Pavel Shilovsky <pshilovsky@samba.org>
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