On Wed, 19 Apr 2017, Arkadiusz Hiler <arkadiusz.hiler@xxxxxxxxx> wrote:
> Android does not have procps and it's not easy to compile it as a
> dependency.
>
> We can provide alternative, "naive" implementation that just shells out
> to external commands (i.e. pkill and lsof) in case we do not have the
> library.
>
> Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler@xxxxxxxxx>
> ---
> configure.ac | 6 +++++-
> lib/igt_aux.c | 24 +++++++++++++++++++++---
> 2 files changed, 26 insertions(+), 4 deletions(-)
>
> diff --git a/configure.ac b/configure.ac
> index 12b0ab0..a5a92d5 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -123,7 +123,11 @@ AC_SUBST(ASSEMBLER_WARN_CFLAGS)
> PKG_CHECK_MODULES(DRM, [libdrm])
> PKG_CHECK_MODULES(PCIACCESS, [pciaccess >= 0.10])
> PKG_CHECK_MODULES(KMOD, [libkmod])
> -PKG_CHECK_MODULES(PROCPS, [libprocps])
> +PKG_CHECK_MODULES(PROCPS, [libprocps], [procps=yes], [procps=no])
> +AM_CONDITIONAL(HAVE_PROCPS, [test "x$procps" = xyes])
> +if test x"$procps" = xyes; then
> + AC_DEFINE(HAVE_PROCPS,1,[Enable process managment without shelling out])
> +fi
> PKG_CHECK_MODULES(VALGRIND, [valgrind], [have_valgrind=yes], [have_valgrind=no])
>
> if test x$have_valgrind = xyes; then
> diff --git a/lib/igt_aux.c b/lib/igt_aux.c
> index 2ec6b78..4efb45b 100644
> --- a/lib/igt_aux.c
> +++ b/lib/igt_aux.c
> @@ -50,9 +50,7 @@
> #include <sys/utsname.h>
> #include <termios.h>
> #include <assert.h>
> -
> -#include <proc/readproc.h>
> -
> +#include <linux/limits.h>
> #include "drmtest.h"
> #include "i915_drm.h"
> #include "intel_chipset.h"
> @@ -71,6 +69,10 @@
> #include <libgen.h> /* for dirname() */
> #endif
>
> +#ifdef HAVE_PROCPS
> +#include <proc/readproc.h>
> +#endif
> +
> /**
> * SECTION:igt_aux
> * @short_description: Auxiliary libraries and support functions
> @@ -1295,6 +1297,7 @@ void igt_set_module_param_int(const char *name, int val)
> */
> int igt_terminate_process(int sig, const char *comm)
> {
> +#ifdef HAVE_PROCPS
Please move ifdefs *outside* the functions, and add another function for
the !HAVE_PROCPS branch.
Same below.
BR,
Jani.
> PROCTAB *proc;
> proc_t *proc_info;
> int err = 0;
> @@ -1316,6 +1319,12 @@ int igt_terminate_process(int sig, const char *comm)
>
> closeproc(proc);
> return err;
> +#else
> +#warning "No procps, using naive implementation of igt_terminate_process"
> + char pkill_cmd[NAME_MAX];
> + snprintf(pkill_cmd, sizeof(pkill_cmd), "pkill -x -%d %s", sig, comm);
> + return system(pkill_cmd);
> +#endif
> }
>
> struct pinfo {
> @@ -1324,6 +1333,7 @@ struct pinfo {
> const char *fn;
> };
>
> +#ifdef HAVE_PROCPS
> static void
> __igt_show_stat(struct pinfo *info)
> {
> @@ -1499,6 +1509,7 @@ __igt_lsof(const char *dir)
>
> closeproc(proc);
> }
> +#endif
>
> /**
> * igt_lsof: Lists information about files opened by processes.
> @@ -1510,6 +1521,7 @@ __igt_lsof(const char *dir)
> void
> igt_lsof(const char *dpath)
> {
> +#ifdef HAVE_PROCPS
> struct stat st;
> size_t len = strlen(dpath);
> char *sanitized;
> @@ -1530,6 +1542,12 @@ igt_lsof(const char *dpath)
> __igt_lsof(sanitized);
>
> free(sanitized);
> +#else
> +#warning "No procps, using naive implementation of igt_lsof"
> + char lsof_cmd[NAME_MAX];
> + snprintf(lsof_cmd, sizeof(lsof_cmd), "lsof +d %s", dpath);
> + system(lsof_cmd);
> +#endif
> }
>
> static struct igt_siglatency {
--
Jani Nikula, Intel Open Source Technology Center
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