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779cb11b5d
MISRA rule 21.1 forbids the use of #define and #undef on a reserved identifier or reserved macro name. Fix violations of rule 21.1 in os_sched unit. MISRA rule 21.2 forbids the usage of identifier names which start with an underscore. Fix violation of MISRA rule 21.2 in os_sched unit. Jira NVGPU-3299 Change-Id: Ib772f60adf5e81935f9cd2044ff8f6a402e15d82 Signed-off-by: ajesh <akv@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/2121955 Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com> Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Alex Waterman <alexw@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/*
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* Copyright (c) 2018-2019, NVIDIA CORPORATION. All rights reserved.
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*
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* NVIDIA Corporation and its licensors retain all intellectual property and
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* proprietary rights in and to this software and related documentation. Any
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* use, reproduction, disclosure or distribution of this software and related
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* documentation without an express license agreement from NVIDIA Corporation
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* is strictly prohibited.
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*/
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#include <nvgpu/os_sched.h>
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#include <unistd.h>
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#include <pthread.h>
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#define CURRENT_NAME_LEN 30
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int nvgpu_current_pid(struct gk20a *g)
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{
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/*
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* In the kernel this gets us the PID of the calling process for IOCTLs.
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* But since we are in userspace this doesn't quite mean the same thing.
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* This simply returns the PID of the currently running process.
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*/
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return (int)getpid();
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}
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int nvgpu_current_tid(struct gk20a *g)
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{
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/*
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* In POSIX thread ID is not the same as a process ID. In Linux threads
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* and processes are represented by the same thing, but userspace can't
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* really rely on that.
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*
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* We can, however, get a pthread_t for a given thread. But this
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* pthread_t need not have any relation to the underlying system's
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* representation of "threads".
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*/
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return (int)pthread_self();
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}
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void nvgpu_print_current_impl(struct gk20a *g, const char *func_name, int line,
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void *ctx, enum nvgpu_log_type type)
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{
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#if defined(__NVGPU_POSIX__)
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#ifdef _GNU_SOURCE
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char current_tname[CURRENT_NAME_LEN];
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/* pthread_getname_np() will return null terminated string on success */
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if (pthread_getname_np(0, current_tname, CURRENT_NAME_LEN) == 0) {
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nvgpu_log_msg_impl(g, func_name, line, type, "%s",
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current_tname);
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} else {
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nvgpu_log_msg_impl(g, func_name, line, type,
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"(unknown process)");
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}
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#else
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nvgpu_log_msg_impl(g, func_name, line, type, "(unknown process)");
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#endif
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#else
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char current_tname[CURRENT_NAME_LEN];
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/* pthread_getname_np() will return null terminated string on success */
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if (pthread_getname_np(0, current_tname, CURRENT_NAME_LEN) == 0) {
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nvgpu_log_msg_impl(g, func_name, line, type, "%s",
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current_tname);
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} else {
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nvgpu_log_msg_impl(g, func_name, line, type,
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"(unknown process)");
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}
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#endif
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}
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