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Message-Id: <20211024174323.18338-4-w@1wt.eu> Date: Sun, 24 Oct 2021 19:43:23 +0200 From: Willy Tarreau <w@....eu> To: "Paul E . McKenney" <paulmck@...nel.org> Cc: Ammar Faizi <ammar.faizi@...dents.amikom.ac.id>, linux-kernel@...r.kernel.org, Mark Brown <broonie@...nel.org> Subject: [PATCH 3/3] tools/nolibc: Implement gettid() From: Mark Brown <broonie@...nel.org> Allow test programs to determine their thread ID. Signed-off-by: Mark Brown <broonie@...nel.org> Cc: Willy Tarreau <w@....eu> Signed-off-by: Willy Tarreau <w@....eu> --- tools/include/nolibc/nolibc.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/tools/include/nolibc/nolibc.h b/tools/include/nolibc/nolibc.h index 4988866af0b5..c1c285fe494a 100644 --- a/tools/include/nolibc/nolibc.h +++ b/tools/include/nolibc/nolibc.h @@ -1571,6 +1571,12 @@ pid_t sys_getpid(void) return my_syscall0(__NR_getpid); } +static __attribute__((unused)) +pid_t sys_gettid(void) +{ + return my_syscall0(__NR_gettid); +} + static __attribute__((unused)) int sys_gettimeofday(struct timeval *tv, struct timezone *tz) { @@ -2029,6 +2035,18 @@ pid_t getpid(void) return ret; } +static __attribute__((unused)) +pid_t gettid(void) +{ + pid_t ret = sys_gettid(); + + if (ret < 0) { + SET_ERRNO(-ret); + ret = -1; + } + return ret; +} + static __attribute__((unused)) int gettimeofday(struct timeval *tv, struct timezone *tz) { -- 2.17.5
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