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kernel/team: Allow retrieving more attributes

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- Stored the additional start time of each team, expressed by
milliseconds since boot.
- Added more fields to the `team_info` structure. These field
include those provided by the `get_extended_team_info` syscall as
well as the newly introduced `start_time`.
- Extended the `_kern_get_team_info` system call to receive an
additional `size_t` argument. If this size is smaller than or
equal to the size of the old `team_info` structure, the newly
added attributes will not be retrieved.

Change-Id: I22ee6b91ad2ee3b66a7f770036c79a718c5f115c
Reviewed-on: https://review.haiku-os.org/c/haiku/+/6390
Tested-by: Commit checker robot <[email protected]>
Reviewed-by: Jessica Hamilton <[email protected]>
This commit is contained in:
Trung Nguyen
2023-05-17 11:07:14 +00:00
committed by Jessica Hamilton
parent fe3f797dc8
commit b809279cd8
6 changed files with 49 additions and 19 deletions
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headers/os/kernel/OS.h
+9
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@@ -247,6 +247,15 @@ typedef struct {
char args[64];
uid_t uid;
gid_t gid;
/* Haiku R1 extensions */
uid_t real_uid;
gid_t real_gid;
pid_t group_id;
pid_t session_id;
team_id parent;
char name[B_OS_NAME_LENGTH];
bigtime_t start_time;
} team_info;
#define B_CURRENT_TEAM 0
headers/private/kernel/team.h
+2 -2
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@@ -80,8 +80,8 @@ pid_t _user_process_info(pid_t process, int32 which);
pid_t _user_setpgid(pid_t process, pid_t group);
pid_t _user_setsid(void);
status_t _user_get_team_info(team_id id, team_info *info);
status_t _user_get_next_team_info(int32 *cookie, team_info *info);
status_t _user_get_team_info(team_id id, team_info *info, size_t size);
status_t _user_get_next_team_info(int32 *cookie, team_info *info, size_t size);
status_t _user_get_team_usage_info(team_id team, int32 who,
team_usage_info *info, size_t size);
status_t _user_get_extended_team_info(team_id teamID, uint32 flags,
headers/private/kernel/thread_types.h
+2
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@@ -275,6 +275,8 @@ struct Team : TeamThreadIteratorEntry<team_id>, KernelReferenceable,
struct team_debug_info debug_info;
bigtime_t start_time;
// protected by time_lock
bigtime_t dead_threads_kernel_time;
bigtime_t dead_threads_user_time;
headers/private/system/syscalls.h
+4 -2
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@@ -180,8 +180,10 @@ extern int64 _kern_restore_signal_frame(
extern status_t _kern_get_thread_info(thread_id id, thread_info *info);
extern status_t _kern_get_next_thread_info(team_id team, int32 *cookie,
thread_info *info);
extern status_t _kern_get_team_info(team_id id, team_info *info);
extern status_t _kern_get_next_team_info(int32 *cookie, team_info *info);
extern status_t _kern_get_team_info(team_id id, team_info *info,
size_t size);
extern status_t _kern_get_next_team_info(int32 *cookie, team_info *info,
size_t size);
extern status_t _kern_get_team_usage_info(team_id team, int32 who,
team_usage_info *info, size_t size);
extern status_t _kern_get_extended_team_info(team_id teamID, uint32 flags,