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[lwp] Implementation of setpgrp and fix mmap2 problems #9308

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Merged
merged 3 commits into from
Aug 22, 2024
+13 −1
Merged

[lwp] Implementation of setpgrp and fix mmap2 problems #9308

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1526330
mmap2 failure handling
rcitach Aug 15, 2024
5a2823b
Implementation of setpgrp
rcitach Aug 15, 2024
bbf43fd
Modify the return method of mmap
rcitach Aug 20, 2024
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12 changes: 12 additions & 0 deletions components/lwp/lwp_pgrp.c
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Original file line number Diff line number Diff line change
Expand Up @@ -403,6 +403,18 @@ sysret_t sys_setpgid(pid_t pid, pid_t pgid)
if (group == RT_NULL)
{
group = lwp_pgrp_create(process);
lwp_pgrp_move(group, process);
session = lwp_session_find(sid);
if (session == RT_NULL)
{
LOG_E("the session of sid: %d cannot be found", sid);
err = -EPERM;
goto exit;
}
else
{
lwp_session_insert(session, group);
}
}
else
{
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2 changes: 1 addition & 1 deletion components/lwp/lwp_syscall.c
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Expand Up @@ -1229,7 +1229,7 @@ void *sys_mmap2(void *addr, size_t length, int prot,
rc = (sysret_t)lwp_mmap2(lwp_self(), addr, length, prot, flags, fd, pgoffset);
}

return (char *)rc + offset;
return rc < 0 ? (char *)rc : (char *)rc + offset;
}

sysret_t sys_munmap(void *addr, size_t length)
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