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Kernel/LibC: Implement getppid

This commit is contained in:
Bananymous 2024-12-02 05:55:25 +02:00
parent fd3246113a
commit ad1f175a39
3 changed files with 7 additions and 0 deletions
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1
kernel/include/kernel/Process.h
View File

@ -97,6 +97,7 @@ namespace Kernel
BAN::ErrorOr<long> sys_getegid() const { return m_credentials.egid(); } BAN::ErrorOr<long> sys_getegid() const { return m_credentials.egid(); }
BAN::ErrorOr<long> sys_getpgid(pid_t); BAN::ErrorOr<long> sys_getpgid(pid_t);
BAN::ErrorOr<long> sys_getppid() const { return m_parent; }
BAN::ErrorOr<long> sys_getpid() const { return pid(); } BAN::ErrorOr<long> sys_getpid() const { return pid(); }
BAN::ErrorOr<long> open_inode(VirtualFileSystem::File&&, int flags); BAN::ErrorOr<long> open_inode(VirtualFileSystem::File&&, int flags);

1
userspace/libraries/LibC/include/sys/syscall.h
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@ -41,6 +41,7 @@ __BEGIN_DECLS
O(SYS_KILL, kill) \ O(SYS_KILL, kill) \
O(SYS_TCGETPGRP, tcgetpgrp) \ O(SYS_TCGETPGRP, tcgetpgrp) \
O(SYS_TCSETPGRP, tcsetpgrp) \ O(SYS_TCSETPGRP, tcsetpgrp) \
O(SYS_GET_PPID, getppid) \
O(SYS_GET_PID, getpid) \ O(SYS_GET_PID, getpid) \
O(SYS_GET_PGID, getpgid) \ O(SYS_GET_PGID, getpgid) \
O(SYS_SET_PGID, setpgid) \ O(SYS_SET_PGID, setpgid) \

5
userspace/libraries/LibC/unistd.cpp
View File

@ -489,6 +489,11 @@ error:
return ret; return ret;
} }
pid_t getppid(void)
{
return syscall(SYS_GET_PPID);
}
pid_t getpid(void) pid_t getpid(void)
{ {
return syscall(SYS_GET_PID); return syscall(SYS_GET_PID);