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tracefd: give memfd a descriptive name

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This makes it easier to track down from /proc/$pid/fd/.
This commit is contained in:
Christian Hergert
2019-06-12 11:14:21 -07:00
parent 4a31b934be
commit 5dbb486512
1 changed files with 4 additions and 1 deletions
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5
src/libsysprof/sysprof-tracefd-source.c
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@ -168,6 +168,7 @@ sysprof_tracefd_source_modify_spawn (SysprofSource *source,
{ {
SysprofTracefdSource *self = (SysprofTracefdSource *)source; SysprofTracefdSource *self = (SysprofTracefdSource *)source;
SysprofTracefdSourcePrivate *priv = sysprof_tracefd_source_get_instance_private (self); SysprofTracefdSourcePrivate *priv = sysprof_tracefd_source_get_instance_private (self);
g_autofree gchar *name = NULL;
g_autofree gchar *fdstr = NULL; g_autofree gchar *fdstr = NULL;
gint dest_fd; gint dest_fd;
gint fd; gint fd;
@ -176,7 +177,9 @@ sysprof_tracefd_source_modify_spawn (SysprofSource *source,
g_assert (SYSPROF_IS_SPAWNABLE (spawnable)); g_assert (SYSPROF_IS_SPAWNABLE (spawnable));
g_assert (priv->tracefd == -1); g_assert (priv->tracefd == -1);
if (-1 == (fd = sysprof_memfd_create ("[sysprof-proxy-capture]"))) name = g_strdup_printf ("[sysprof-tracefd:%s]", priv->envvar);
if (-1 == (fd = sysprof_memfd_create (name)))
{ {
g_warning ("Failed to create FD for tracefd capture: %s", g_warning ("Failed to create FD for tracefd capture: %s",
g_strerror (errno)); g_strerror (errno));