starlingx/metal
Code Issues Proposed changes

pmon.h: Ensure compat. with v5.10 kernel

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The v5.10 kernel no longer guards the task_state_notify_info data
structure with #ifdef CONFIG_SIGEXIT, which causes a
redefinition-related compilation error. Work around this by checking for
the existence of the PR_DO_NOTIFY_TASK_STATE macro, and only define the
PR_DO_NOTIFY_TASK_STATE and the task_state_notify_info structure if the
kernel does not do so.

Story: 2008921
Task: 42915

Change-Id: I4bb499e2b52e20542f202dea1c2c55d88bb8ba61
Signed-off-by: M. Vefa Bicakci <vefa.bicakci@windriver.com>
This commit is contained in:
M. Vefa Bicakci 2021-07-27 16:19:55 -04:00
parent fc84f13b64
commit 2d25f71f2a
1 changed files with 7 additions and 0 deletions
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7
mtce/src/pmon/pmon.h
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@ -140,6 +140,12 @@ using namespace std;
/* Notification of Death Of Arbitrary Process */
/* Newer kernel headers expose the PR_DO_NOTIFY_TASK_STATE macro and the
* task_state_notify_info structure to user-space via the prctl.h header, so
* guard the definition of the macro and the structure with a pre-processor
* condition to avoid redefinition-related compilation errors.
*/
#ifndef PR_DO_NOTIFY_TASK_STATE
/* New PRCTL Flag
*
* Set/get notification for task state changes */
@ -158,6 +164,7 @@ struct task_state_notify_info
int sig ;
unsigned int events;
};
#endif /* !PR_DO_NOTIFY_TASK_STATE */
/* The "events" bits in the struct correspond to the si_code values in the siginfo_t struct
* that would normally be sent along with a SIGCHLD to the parent process.