Files
linux-nvgpu/drivers/gpu/nvgpu/os/posix/os_sched.c
Vedashree Vidwans 50f5f6ff68 gpu: nvgpu: fix MISRA 7.4 in posix/os_sched.c
MISRA Rule 7.4 doesn't allow string literal to initialize char * object.
This patch modifies log_message definition to resolve MISRA errors.

Jira NVGPU-4075

Change-Id: Iea1c08e76b5af691ff98c24657d6295d17a5b757
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2224232
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
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>
2020-12-15 14:10:29 -06:00

85 lines
2.2 KiB
C

/*
* Copyright (c) 2018-2019, NVIDIA CORPORATION. All rights reserved.
*
* NVIDIA Corporation and its licensors retain all intellectual property and
* proprietary rights in and to this software and related documentation. Any
* use, reproduction, disclosure or distribution of this software and related
* documentation without an express license agreement from NVIDIA Corporation
* is strictly prohibited.
*/
#include <nvgpu/os_sched.h>
#include <unistd.h>
#include <pthread.h>
#define CURRENT_NAME_LEN 30
int nvgpu_current_pid(struct gk20a *g)
{
/*
* In the kernel this gets us the PID of the calling process for IOCTLs.
* But since we are in userspace this doesn't quite mean the same thing.
* This simply returns the PID of the currently running process.
*/
return (int)getpid();
}
int nvgpu_current_tid(struct gk20a *g)
{
/*
* In POSIX thread ID is not the same as a process ID. In Linux threads
* and processes are represented by the same thing, but userspace can't
* really rely on that.
*
* We can, however, get a pthread_t for a given thread. But this
* pthread_t need not have any relation to the underlying system's
* representation of "threads".
*/
return (int)pthread_self();
}
void nvgpu_print_current_impl(struct gk20a *g, const char *func_name, int line,
void *ctx, enum nvgpu_log_type type)
{
const char *log_message = "(unknown process)";
#if defined(__NVGPU_POSIX__)
#ifdef _GNU_SOURCE
char current_tname[CURRENT_NAME_LEN];
/* pthread_getname_np() will return null terminated string on success */
if (pthread_getname_np(0, current_tname, CURRENT_NAME_LEN) == 0) {
log_message = current_tname;
}
#else
type = NVGPU_ERROR;
#endif
#else
char current_tname[CURRENT_NAME_LEN];
/* pthread_getname_np() will return null terminated string on success */
if (pthread_getname_np(0, current_tname, CURRENT_NAME_LEN) == 0) {
log_message = current_tname;
}
#endif
switch (type) {
case NVGPU_ERROR:
nvgpu_err(g, "%s", log_message);
break;
case NVGPU_WARNING:
nvgpu_warn(g, "%s", log_message);
break;
case NVGPU_DEBUG:
nvgpu_log(g, 0U, "%s", log_message);
break;
case NVGPU_INFO:
nvgpu_info(g, "%s", log_message);
break;
default:
nvgpu_err(g, "%s", log_message);
break;
}
}