diff options
author | Dmitry V. Levin <ldv@strace.io> | 2021-02-03 08:00:00 +0000 |
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committer | Dmitry V. Levin <ldv@strace.io> | 2021-02-03 08:00:00 +0000 |
commit | ecb3ed78107c851f71696df6730a15afff91ed3d (patch) | |
tree | 0b3d2b083040fc9b08d129f80d027ff41b995059 /src/pidfd_getfd.c | |
parent | c47943de06204a269e16f732e7c9c71d4284b23f (diff) | |
download | strace-ecb3ed78107c851f71696df6730a15afff91ed3d.tar.gz |
Move source files into src subdirectory
* src/Makefile.am: New file.
* src/.gitignore: Likewise.
* scno.am: Move into src subdirectory.
* scno.head: Likewise.
* strace-graph: Likewise.
* strace-log-merge: Likewise.
* linux/: Likewise.
* types/: Likewise.
* xlat/: Likewise.
* *.awk: Likewise.
* *.c: Likewise.
* *.h: Likewise.
* *.sh: Likewise.
* .gitignore: Update.
* Makefile.am: Update.
* bootstrap: Update.
* configure.ac: Update.
* debian/rules: Update.
* debian/strace-udeb.install: Update.
* debian/strace.examples: Update.
* debian/strace.install: Update.
* debian/strace64.install: Update.
* m4/gen_bpf_attr_m4.sh: Update.
* m4/mpers.m4: Update.
* tests/Makefile.am: Update.
* tests/init.sh: Update.
* tests/legacy_syscall_info.test: Update.
* tests/strace-log-merge-error.test: Update.
* tests/strace-log-merge-suffix.test: Update.
Diffstat (limited to 'src/pidfd_getfd.c')
-rw-r--r-- | src/pidfd_getfd.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/pidfd_getfd.c b/src/pidfd_getfd.c new file mode 100644 index 000000000..dc263e27b --- /dev/null +++ b/src/pidfd_getfd.c @@ -0,0 +1,31 @@ +/* + * pidfd_getfd() syscall decoder. + * + * Copyright (c) 2020 The strace developers. + * All rights reserved. + * + * SPDX-License-Identifier: LGPL-2.1-or-later + */ + +#include "defs.h" +#include "number_set.h" + +SYS_FUNC(pidfd_getfd) +{ + int pidfd = (int) tcp->u_arg[0]; + int targetfd = (int) tcp->u_arg[1]; + unsigned int flags = (unsigned int) tcp->u_arg[2]; + + printfd(tcp, pidfd); + tprints(", "); + + pid_t target_pid = pidfd_get_pid(tcp->pid, pidfd); + if (target_pid > 0) + printfd_pid(tcp, target_pid, targetfd); + else + tprintf("%d", targetfd); + + tprintf(", %#x", flags); + + return RVAL_DECODED | RVAL_FD; +} |