Dmitry V. Levin
30ac0627f2
* configure.ac (AC_CHECK_FUNCS): Add eventfd. (AC_CHECK_HEADERS): Add sys/signalfd.h. * signalfd.c: Include <fcntl.h>. [HAVE_SYS_SIGNALFD_H] Include <sys/signalfd.h>. Include "xlat/sfd_flags.h". (do_signalfd): Use sfd_flags for flags decoding. * xlat/sfd_flags.in: New file. * tests/signalfd.c: Likewise. * tests/signalfd.expected: Likewise. * tests/signalfd.test: New test. * tests/Makefile.am (check_PROGRAMS): Add signalfd. (TESTS): Add signalfd.test. (EXTRA_DIST): Add signalfd.expected. * tests/.gitignore: Add signalfd.
34 lines
615 B
C
34 lines
615 B
C
#include "defs.h"
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#include <fcntl.h>
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#ifdef HAVE_SYS_SIGNALFD_H
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# include <sys/signalfd.h>
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#endif
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#include "xlat/sfd_flags.h"
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static int
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do_signalfd(struct tcb *tcp, int flags_arg)
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{
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/* NB: kernel requires arg[2] == NSIG / 8 */
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printfd(tcp, tcp->u_arg[0]);
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tprints(", ");
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print_sigset_addr_len(tcp, tcp->u_arg[1], tcp->u_arg[2]);
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tprintf(", %lu", tcp->u_arg[2]);
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if (flags_arg >= 0) {
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tprints(", ");
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printflags(sfd_flags, tcp->u_arg[flags_arg], "SFD_???");
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}
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return RVAL_DECODED | RVAL_FD;
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}
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SYS_FUNC(signalfd)
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{
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return do_signalfd(tcp, -1);
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}
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SYS_FUNC(signalfd4)
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{
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return do_signalfd(tcp, 3);
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}
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