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Use gdb unordered set in linux-procfs.c

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This changes linux-procfs.c to use gdb:unordered_set.

Approved-By: Simon Marchi <simon.marchi@efficios.com>
This commit is contained in:
Tom Tromey
2025-03-11 11:21:26 -06:00
parent f9868995b4
commit 7116b64e23
1 changed files with 2 additions and 13 deletions
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15
gdb/nat/linux-procfs.c
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@@ -18,9 +18,9 @@
#include "linux-procfs.h"
#include "gdbsupport/filestuff.h"
#include "gdbsupport/unordered_set.h"
#include <dirent.h>
#include <sys/stat.h>
#include <unordered_set>
#include <utility>
/* Return the TGID of LWPID from /proc/pid/status. Returns -1 if not
@@ -358,20 +358,9 @@ linux_proc_attach_tgid_threads (pid_t pid,
return;
}
/* Callable object to hash elements in visited_lpws. */
struct pair_hash
{
std::size_t operator() (const std::pair<unsigned long, ULONGEST> &v) const
{
return (std::hash<unsigned long>() (v.first)
^ std::hash<ULONGEST>() (v.second));
}
};
/* Keeps track of the LWPs we have already visited in /proc,
identified by their PID and starttime to detect PID reuse. */
std::unordered_set<std::pair<unsigned long, ULONGEST>,
pair_hash> visited_lwps;
gdb::unordered_set<std::pair<unsigned long, ULONGEST>> visited_lwps;
/* Scan the task list for existing threads. While we go through the
threads, new threads may be spawned. Cycle through the list of