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Added private_data structure in process

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Conflicts:
	executer/user/mcexec.c
	kernel/include/process.h
	kernel/process.c
This commit is contained in:
Aram Santogidis
2017-07-25 15:45:25 +09:00
committed by Balazs Gerofi
parent e36abe57e7
commit 8a1d756cb1
5 changed files with 31 additions and 2 deletions
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2
kernel/include/process.h
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@@ -573,6 +573,8 @@ struct process {
#endif // PROFILE_ENABLE
int nr_processes; /* For partitioned execution */
int process_rank; /* Rank in partition */
void *fd_priv_table[265];
};
/*

5
kernel/process.c
View File

@@ -138,6 +138,11 @@ init_process(struct process *proc, struct process *parent)
INIT_LIST_HEAD(&proc->ptraced_siblings_list);
mcs_rwlock_init(&proc->update_lock);
#endif /* POSTK_DEBUG_ARCH_DEP_63 */
}
// Double check the inheritance from parent
memset(proc->fd_priv_table, 0, 256 * sizeof(void *));
INIT_LIST_HEAD(&proc->threads_list);
INIT_LIST_HEAD(&proc->children_list);
INIT_LIST_HEAD(&proc->ptraced_children_list);

17
kernel/syscall.c
View File

@@ -67,6 +67,8 @@
#include <lwk/stddef.h>
#include <futex.h>
//#include <hfi1/hfi.h>
#define SYSCALL_BY_IKC
//#define DEBUG_PRINT_SC
@@ -480,6 +482,7 @@ long do_syscall(struct syscall_request *req, int cpu, int pid)
if (req->number == __NR_open && rc > 0) {
if (res.private_data && !strncmp(req->args[0], "/dev/hfi", 8)) {
thread->proc->fd_priv_table[rc] = res.private_data;
kprintf("%s: PID: %d, open fd: %d, filename: %s, private_data: 0x%lx\n",
__FUNCTION__, thread->proc->pid, rc, req->args[0], res.private_data);
}
@@ -3086,6 +3089,20 @@ do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact)
return 0;
}
SYSCALL_DECLARE(writev)
{
struct process *proc = cpu_local_var(current)->proc;
int fd = ihk_mc_syscall_arg0(ctx);
int iovcnt = ihk_mc_syscall_arg2(ctx);
if (fd < 256) {
//struct hfi1_filedata *hf = (struct hfi1_filedata *)proc->fd_priv_table[fd];
kprintf("%s: fd[%d], 0x%lx, iovcnt[%d]\n", __FUNCTION__, fd, proc->fd_priv_table[fd], iovcnt);
} else {
kprintf("%s: fd[%d] > 256\n", __FUNCTION__, fd);
}
return syscall_generic_forwarding(__NR_writev, ctx);
}
SYSCALL_DECLARE(read)
{
int fd = ihk_mc_syscall_arg0(ctx);