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27 lines
1.1 KiB
27 lines
1.1 KiB
commit 4b246b2bbd1d5a77035bb990d6097b7337c34bbb |
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Author: Adhemerval Zanella <adhemerval.zanella@linaro.org> |
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Date: Thu Jun 30 09:08:31 2022 -0300 |
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linux: Fix mq_timereceive check for 32 bit fallback code (BZ 29304) |
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On success, mq_receive() and mq_timedreceive() return the number of |
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bytes in the received message, so it requires to check if the value |
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is larger than 0. |
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Checked on i686-linux-gnu. |
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(cherry picked from commit 71d87d85bf54f6522813aec97c19bdd24997341e) |
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diff --git a/sysdeps/unix/sysv/linux/mq_timedreceive.c b/sysdeps/unix/sysv/linux/mq_timedreceive.c |
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index 7f3a112d7f2cbbe7..1fc98752e7d6d506 100644 |
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--- a/sysdeps/unix/sysv/linux/mq_timedreceive.c |
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+++ b/sysdeps/unix/sysv/linux/mq_timedreceive.c |
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@@ -41,7 +41,7 @@ ___mq_timedreceive_time64 (mqd_t mqdes, char *__restrict msg_ptr, size_t msg_len |
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{ |
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int r = SYSCALL_CANCEL (mq_timedreceive_time64, mqdes, msg_ptr, msg_len, |
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msg_prio, abs_timeout); |
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- if (r == 0 || errno != ENOSYS) |
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+ if (r >= 0 || errno != ENOSYS) |
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return r; |
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__set_errno (EOVERFLOW); |
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return -1;
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